{"api_version":"1","generated_at":"2026-07-04T23:16:17+00:00","cve":"CVE-2026-26007","urls":{"html":"https://cve.report/CVE-2026-26007","api":"https://cve.report/api/cve/CVE-2026-26007.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-26007","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-26007"},"summary":{"title":"cryptography Subgroup Attack Due to Missing Subgroup Validation for SECT Curves","description":"cryptography is a package designed to expose cryptographic primitives and recipes to Python developers. Prior to 46.0.5, the public_key_from_numbers (or EllipticCurvePublicNumbers.public_key()), EllipticCurvePublicNumbers.public_key(), load_der_public_key() and load_pem_public_key() functions do not verify that the point belongs to the expected prime-order subgroup of the curve. This missing validation allows an attacker to provide a public key point P from a small-order subgroup. This can lead to security issues in various situations, such as the most commonly used signature verification (ECDSA) and shared key negotiation (ECDH). When the victim computes the shared secret as S = [victim_private_key]P via ECDH, this leaks information about victim_private_key mod (small_subgroup_order). For curves with cofactor > 1, this reveals the least significant bits of the private key. When these weak public keys are used in ECDSA , it's easy to forge signatures on the small subgroup. Only SECT curves are impacted by this. This vulnerability is fixed in 46.0.5.","state":"PUBLISHED","assigner":"GitHub_M","published_at":"2026-02-10 22:17:00","updated_at":"2026-07-01 13:16:52"},"problem_types":["CWE-345","CWE-354","CWE-345 CWE-345: Insufficient Verification of Data Authenticity","CWE-354 Improper Validation of Integrity Check Value"],"metrics":[{"version":"4.0","source":"security-advisories@github.com","type":"Secondary","score":"8.2","severity":"HIGH","vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","data":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","baseScore":8.2,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"HIGH","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","confidentialityRequirement":"NOT_DEFINED","integrityRequirement":"NOT_DEFINED","availabilityRequirement":"NOT_DEFINED","modifiedAttackVector":"NOT_DEFINED","modifiedAttackComplexity":"NOT_DEFINED","modifiedAttackRequirements":"NOT_DEFINED","modifiedPrivilegesRequired":"NOT_DEFINED","modifiedUserInteraction":"NOT_DEFINED","modifiedVulnConfidentialityImpact":"NOT_DEFINED","modifiedVulnIntegrityImpact":"NOT_DEFINED","modifiedVulnAvailabilityImpact":"NOT_DEFINED","modifiedSubConfidentialityImpact":"NOT_DEFINED","modifiedSubIntegrityImpact":"NOT_DEFINED","modifiedSubAvailabilityImpact":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED"}},{"version":"4.0","source":"CNA","type":"DECLARED","score":"8.2","severity":"HIGH","vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","data":{"attackComplexity":"HIGH","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.2,"baseSeverity":"HIGH","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"NONE"}},{"version":"3.1","source":"nvd@nist.gov","type":"Primary","score":"6.5","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","baseScore":6.5,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE"}},{"version":"3.1","source":"ADP","type":"CVSS","score":"7.4","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","data":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.4,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","version":"3.1"}},{"version":"3.1","source":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","type":"Secondary","score":"7.4","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","baseScore":7.4,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"NONE"}}],"references":[{"url":"https://access.redhat.com/errata/RHSA-2026:7295","name":"https://access.redhat.com/errata/RHSA-2026:7295","refsource":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://access.redhat.com/errata/RHSA-2026:13512","name":"https://access.redhat.com/errata/RHSA-2026:13512","refsource":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://access.redhat.com/errata/RHSA-2026:19355","name":"https://access.redhat.com/errata/RHSA-2026:19355","refsource":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/pyca/cryptography/commit/0eebb9dbb6343d9bc1d91e5a2482ed4e054a6d8c","name":"https://github.com/pyca/cryptography/commit/0eebb9dbb6343d9bc1d91e5a2482ed4e054a6d8c","refsource":"security-advisories@github.com","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://access.redhat.com/errata/RHSA-2026:13553","name":"https://access.redhat.com/errata/RHSA-2026:13553","refsource":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/pyca/cryptography/security/advisories/GHSA-r6ph-v2qm-q3c2","name":"https://github.com/pyca/cryptography/security/advisories/GHSA-r6ph-v2qm-q3c2","refsource":"security-advisories@github.com","tags":["Vendor Advisory"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://access.redhat.com/errata/RHSA-2026:21431","name":"https://access.redhat.com/errata/RHSA-2026:21431","refsource":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://access.redhat.com/security/cve/CVE-2026-26007","name":"https://access.redhat.com/security/cve/CVE-2026-26007","refsource":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://access.redhat.com/errata/RHSA-2026:6568","name":"https://access.redhat.com/errata/RHSA-2026:6568","refsource":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://access.redhat.com/errata/RHSA-2026:10184","name":"https://access.redhat.com/errata/RHSA-2026:10184","refsource":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://access.redhat.com/errata/RHSA-2026:5168","name":"https://access.redhat.com/errata/RHSA-2026:5168","refsource":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"http://www.openwall.com/lists/oss-security/2026/02/10/4","name":"http://www.openwall.com/lists/oss-security/2026/02/10/4","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Third Party Advisory"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://access.redhat.com/errata/RHSA-2026:2694","name":"https://access.redhat.com/errata/RHSA-2026:2694","refsource":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://access.redhat.com/errata/RHSA-2026:6308","name":"https://access.redhat.com/errata/RHSA-2026:6308","refsource":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://access.redhat.com/errata/RHSA-2026:21517","name":"https://access.redhat.com/errata/RHSA-2026:21517","refsource":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2438762","name":"https://bugzilla.redhat.com/show_bug.cgi?id=2438762","refsource":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://access.redhat.com/errata/RHSA-2026:22993","name":"https://access.redhat.com/errata/RHSA-2026:22993","refsource":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-26007.json","name":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-26007.json","refsource":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://access.redhat.com/errata/RHSA-2026:6309","name":"https://access.redhat.com/errata/RHSA-2026:6309","refsource":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://access.redhat.com/errata/RHSA-2026:12176","name":"https://access.redhat.com/errata/RHSA-2026:12176","refsource":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://access.redhat.com/errata/RHSA-2026:6567","name":"https://access.redhat.com/errata/RHSA-2026:6567","refsource":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://access.redhat.com/errata/RHSA-2026:13672","name":"https://access.redhat.com/errata/RHSA-2026:13672","refsource":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://access.redhat.com/errata/RHSA-2026:13545","name":"https://access.redhat.com/errata/RHSA-2026:13545","refsource":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://access.redhat.com/errata/RHSA-2026:22330","name":"https://access.redhat.com/errata/RHSA-2026:22330","refsource":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://access.redhat.com/errata/RHSA-2026:6497","name":"https://access.redhat.com/errata/RHSA-2026:6497","refsource":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://access.redhat.com/errata/RHSA-2026:5665","name":"https://access.redhat.com/errata/RHSA-2026:5665","refsource":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-26007","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-26007","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"pyca","product":"cryptography","version":"affected < 46.0.5","platforms":[]},{"source":"ADP","vendor":"Red Hat","product":"Red Hat Ansible Automation Platform 2.5 for RHEL 8","version":"","platforms":[]},{"source":"ADP","vendor":"Red Hat","product":"Red Hat Ansible Automation Platform 2.5 for RHEL 9","version":"","platforms":[]},{"source":"ADP","vendor":"Red Hat","product":"Red Hat Enterprise Linux AppStream (v. 8)","version":"","platforms":[]},{"source":"ADP","vendor":"Red Hat","product":"Red Hat Enterprise Linux AppStream E4S (v.9.2)","version":"","platforms":[]},{"source":"ADP","vendor":"Red Hat","product":"Red Hat Enterprise Linux AppStream EUS (v.9.4)","version":"","platforms":[]},{"source":"ADP","vendor":"Red Hat","product":"Red Hat Enterprise Linux AppStream EUS (v.9.6)","version":"","platforms":[]},{"source":"ADP","vendor":"Red Hat","product":"Red Hat Enterprise Linux AppStream (v. 9)","version":"","platforms":[]},{"source":"ADP","vendor":"Red Hat","product":"Red Hat Enterprise Linux HighAvailability (v. 8)","version":"","platforms":[]},{"source":"ADP","vendor":"Red Hat","product":"Red Hat Enterprise Linux High Availability E4S (v.9.2)","version":"","platforms":[]},{"source":"ADP","vendor":"Red Hat","product":"Red Hat Enterprise Linux High Availability EUS (v.9.4)","version":"","platforms":[]},{"source":"ADP","vendor":"Red Hat","product":"Red Hat Ansible Automation Platform 2.5","version":"","platforms":[]},{"source":"ADP","vendor":"Red Hat","product":"Red Hat Ansible Automation Platform 2.6","version":"","platforms":[]},{"source":"ADP","vendor":"Red Hat","product":"Red Hat Discovery 2","version":"","platforms":[]},{"source":"ADP","vendor":"Red Hat","product":"Red Hat Hardened Images","version":"","platforms":[]},{"source":"ADP","vendor":"Red Hat","product":"Red Hat OpenShift AI 2.25","version":"","platforms":[]},{"source":"ADP","vendor":"Red Hat","product":"Red Hat Quay 3.10","version":"","platforms":[]},{"source":"ADP","vendor":"Red Hat","product":"Red Hat Quay 3.15","version":"","platforms":[]},{"source":"ADP","vendor":"Red Hat","product":"Red Hat Quay 3.16","version":"","platforms":[]},{"source":"ADP","vendor":"Red Hat","product":"Red Hat Quay 3.9","version":"","platforms":[]},{"source":"ADP","vendor":"Red Hat","product":"Red Hat Satellite 6.18","version":"","platforms":[]},{"source":"ADP","vendor":"Red Hat","product":"Red Hat Enterprise Linux ResilientStorage (v. 8)","version":"","platforms":[]},{"source":"ADP","vendor":"Red Hat","product":"Red Hat Enterprise Linux Resilient Storage E4S (v.9.2)","version":"","platforms":[]},{"source":"ADP","vendor":"Red Hat","product":"Red Hat Enterprise Linux Resilient Storage EUS (v.9.4)","version":"","platforms":[]},{"source":"ADP","vendor":"Red Hat","product":"OpenShift Lightspeed","version":"","platforms":[]},{"source":"ADP","vendor":"Red Hat","product":"Red Hat Ansible Automation Platform 2","version":"","platforms":[]},{"source":"ADP","vendor":"Red Hat","product":"Red Hat OpenShift AI (RHOAI)","version":"","platforms":[]},{"source":"ADP","vendor":"Red Hat","product":"Red Hat Satellite 6","version":"","platforms":[]},{"source":"ADP","vendor":"Red Hat","product":"Red Hat Trusted Artifact Signer","version":"","platforms":[]},{"source":"ADP","vendor":"Red Hat","product":"Red Hat Advanced Cluster Management for Kubernetes 2","version":"","platforms":[]},{"source":"ADP","vendor":"Red Hat","product":"Red Hat Ansible Automation Platform Ansible Core 2","version":"","platforms":[]},{"source":"ADP","vendor":"Red Hat","product":"Red Hat Enterprise Linux 10","version":"","platforms":[]},{"source":"ADP","vendor":"Red Hat","product":"Red Hat Enterprise Linux 8","version":"","platforms":[]},{"source":"ADP","vendor":"Red Hat","product":"Red Hat Enterprise Linux 9","version":"","platforms":[]}],"timeline":[{"source":"ADP","time":"2026-02-10T22:01:01.036Z","lang":"en","value":"Reported to Red Hat."},{"source":"ADP","time":"2026-02-10T21:42:56.471Z","lang":"en","value":"Made public."}],"solutions":[{"source":"ADP","title":"","value":"RHSA-2026:13512: Red Hat Ansible Automation Platform 2.5 for RHEL 8, Red Hat Ansible Automation Platform 2.5 for RHEL 9","time":"","lang":"en"},{"source":"ADP","title":"","value":"RHSA-2026:12176: Red Hat Enterprise Linux AppStream (v. 8), Red Hat Enterprise Linux HighAvailability (v. 8), Red Hat Enterprise Linux ResilientStorage (v. 8)","time":"","lang":"en"},{"source":"ADP","title":"","value":"RHSA-2026:22330: Red Hat Enterprise Linux AppStream E4S (v.9.2), Red Hat Enterprise Linux High Availability E4S (v.9.2), Red Hat Enterprise Linux Resilient Storage E4S (v.9.2)","time":"","lang":"en"},{"source":"ADP","title":"","value":"RHSA-2026:21517: Red Hat Enterprise Linux AppStream EUS (v.9.4), Red Hat Enterprise Linux High Availability EUS (v.9.4), Red Hat Enterprise Linux Resilient Storage EUS (v.9.4)","time":"","lang":"en"},{"source":"ADP","title":"","value":"RHSA-2026:21431: Red Hat Enterprise Linux AppStream EUS (v.9.6)","time":"","lang":"en"},{"source":"ADP","title":"","value":"RHSA-2026:13672: Red Hat Enterprise Linux AppStream (v. 9)","time":"","lang":"en"},{"source":"ADP","title":"","value":"RHSA-2026:19355: Red Hat Enterprise Linux AppStream (v. 9)","time":"","lang":"en"},{"source":"ADP","title":"","value":"RHSA-2026:6308: Red Hat Ansible Automation Platform 2.5","time":"","lang":"en"},{"source":"ADP","title":"","value":"RHSA-2026:13553: Red Hat Ansible Automation Platform 2.5","time":"","lang":"en"},{"source":"ADP","title":"","value":"RHSA-2026:13545: Red Hat Ansible Automation Platform 2.6","time":"","lang":"en"},{"source":"ADP","title":"","value":"RHSA-2026:6309: Red Hat Ansible Automation Platform 2.6","time":"","lang":"en"},{"source":"ADP","title":"","value":"RHSA-2026:2694: Red Hat Discovery 2","time":"","lang":"en"},{"source":"ADP","title":"","value":"RHSA-2026:7295: Red Hat Hardened Images","time":"","lang":"en"},{"source":"ADP","title":"","value":"RHSA-2026:10184: Red Hat OpenShift AI 2.25","time":"","lang":"en"},{"source":"ADP","title":"","value":"RHSA-2026:5665: Red Hat Quay 3.10","time":"","lang":"en"},{"source":"ADP","title":"","value":"RHSA-2026:6568: Red Hat Quay 3.15","time":"","lang":"en"},{"source":"ADP","title":"","value":"RHSA-2026:6497: Red Hat Quay 3.16","time":"","lang":"en"},{"source":"ADP","title":"","value":"RHSA-2026:6567: Red Hat Quay 3.16","time":"","lang":"en"},{"source":"ADP","title":"","value":"RHSA-2026:5168: Red Hat Quay 3.9","time":"","lang":"en"},{"source":"ADP","title":"","value":"RHSA-2026:22993: Red Hat Satellite 6.18","time":"","lang":"en"}],"workarounds":[{"source":"ADP","title":"","value":"Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.","time":"","lang":"en"}],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2026","cve_id":"26007","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"cryptography.io","cpe5":"cryptography","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"python","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"26007","cve":"CVE-2026-26007","epss":"0.003410000","percentile":"0.261140000","score_date":"2026-07-03","updated_at":"2026-07-04 00:02:19"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"providerMetadata":{"dateUpdated":"2026-02-10T23:14:21.776Z","orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE"},"references":[{"url":"http://www.openwall.com/lists/oss-security/2026/02/10/4"}],"title":"CVE Program Container"},{"metrics":[{"other":{"content":{"id":"CVE-2026-26007","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-02-11T21:28:38.864657Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-02-11T21:28:47.345Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"},{"affected":[{"cpes":["cpe:/a:redhat:ansible_automation_platform:2.5::el8","cpe:/a:redhat:ansible_automation_platform_developer:2.5::el8","cpe:/a:redhat:ansible_automation_platform_inside:2.5::el8"],"defaultStatus":"affected","product":"Red Hat Ansible Automation Platform 2.5 for RHEL 8","vendor":"Red Hat"},{"cpes":["cpe:/a:redhat:ansible_automation_platform:2.5::el9","cpe:/a:redhat:ansible_automation_platform_developer:2.5::el9","cpe:/a:redhat:ansible_automation_platform_inside:2.5::el9"],"defaultStatus":"affected","product":"Red Hat Ansible Automation Platform 2.5 for RHEL 9","vendor":"Red Hat"},{"cpes":["cpe:/a:redhat:enterprise_linux:8::appstream"],"defaultStatus":"affected","product":"Red Hat Enterprise Linux AppStream (v. 8)","vendor":"Red Hat"},{"cpes":["cpe:/a:redhat:rhel_e4s:9.2::appstream"],"defaultStatus":"affected","product":"Red Hat Enterprise Linux AppStream E4S (v.9.2)","vendor":"Red Hat"},{"cpes":["cpe:/a:redhat:rhel_eus:9.4::appstream"],"defaultStatus":"affected","product":"Red Hat Enterprise Linux AppStream EUS (v.9.4)","vendor":"Red Hat"},{"cpes":["cpe:/a:redhat:rhel_eus:9.6::appstream"],"defaultStatus":"affected","product":"Red Hat Enterprise Linux AppStream EUS (v.9.6)","vendor":"Red Hat"},{"cpes":["cpe:/a:redhat:enterprise_linux:9::appstream"],"defaultStatus":"affected","product":"Red Hat Enterprise Linux AppStream (v. 9)","vendor":"Red Hat"},{"cpes":["cpe:/a:redhat:enterprise_linux:8::highavailability"],"defaultStatus":"affected","product":"Red Hat Enterprise Linux HighAvailability (v. 8)","vendor":"Red Hat"},{"cpes":["cpe:/a:redhat:rhel_e4s:9.2::highavailability"],"defaultStatus":"affected","product":"Red Hat Enterprise Linux High Availability E4S (v.9.2)","vendor":"Red Hat"},{"cpes":["cpe:/a:redhat:rhel_eus:9.4::highavailability"],"defaultStatus":"affected","product":"Red Hat Enterprise Linux High Availability EUS (v.9.4)","vendor":"Red Hat"},{"cpes":["cpe:/a:redhat:ansible_automation_platform:2.5::el8"],"defaultStatus":"affected","product":"Red Hat Ansible Automation Platform 2.5","vendor":"Red Hat"},{"cpes":["cpe:/a:redhat:ansible_automation_platform:2.6::el9"],"defaultStatus":"affected","product":"Red Hat Ansible Automation Platform 2.6","vendor":"Red Hat"},{"cpes":["cpe:/a:redhat:discovery:2::el9"],"defaultStatus":"affected","product":"Red Hat Discovery 2","vendor":"Red Hat"},{"cpes":["cpe:/a:redhat:hummingbird:1"],"defaultStatus":"affected","product":"Red Hat Hardened Images","vendor":"Red Hat"},{"cpes":["cpe:/a:redhat:openshift_ai:2.25::el9"],"defaultStatus":"affected","product":"Red Hat OpenShift AI 2.25","vendor":"Red Hat"},{"cpes":["cpe:/a:redhat:quay:3.10::el8"],"defaultStatus":"affected","product":"Red Hat Quay 3.10","vendor":"Red Hat"},{"cpes":["cpe:/a:redhat:quay:3.15::el8"],"defaultStatus":"affected","product":"Red Hat Quay 3.15","vendor":"Red Hat"},{"cpes":["cpe:/a:redhat:quay:3.16::el9"],"defaultStatus":"affected","product":"Red Hat Quay 3.16","vendor":"Red Hat"},{"cpes":["cpe:/a:redhat:quay:3.9::el8"],"defaultStatus":"affected","product":"Red Hat Quay 3.9","vendor":"Red Hat"},{"cpes":["cpe:/a:redhat:satellite:6.18::el9"],"defaultStatus":"affected","product":"Red Hat Satellite 6.18","vendor":"Red Hat"},{"cpes":["cpe:/a:redhat:enterprise_linux:8::resilientstorage"],"defaultStatus":"affected","product":"Red Hat Enterprise Linux ResilientStorage (v. 8)","vendor":"Red Hat"},{"cpes":["cpe:/a:redhat:rhel_e4s:9.2::resilientstorage"],"defaultStatus":"affected","product":"Red Hat Enterprise Linux Resilient Storage E4S (v.9.2)","vendor":"Red Hat"},{"cpes":["cpe:/a:redhat:rhel_eus:9.4::resilientstorage"],"defaultStatus":"affected","product":"Red Hat Enterprise Linux Resilient Storage EUS (v.9.4)","vendor":"Red Hat"},{"cpes":["cpe:/a:redhat:openshift_lightspeed"],"defaultStatus":"affected","product":"OpenShift Lightspeed","vendor":"Red Hat"},{"cpes":["cpe:/a:redhat:ansible_automation_platform:2"],"defaultStatus":"affected","product":"Red Hat Ansible Automation Platform 2","vendor":"Red Hat"},{"cpes":["cpe:/a:redhat:openshift_ai"],"defaultStatus":"affected","product":"Red Hat OpenShift AI (RHOAI)","vendor":"Red Hat"},{"cpes":["cpe:/a:redhat:satellite:6"],"defaultStatus":"affected","product":"Red Hat Satellite 6","vendor":"Red Hat"},{"cpes":["cpe:/a:redhat:trusted_artifact_signer:1"],"defaultStatus":"affected","product":"Red Hat Trusted Artifact Signer","vendor":"Red Hat"},{"cpes":["cpe:/a:redhat:acm:2"],"defaultStatus":"unaffected","product":"Red Hat Advanced Cluster Management for Kubernetes 2","vendor":"Red Hat"},{"cpes":["cpe:/a:redhat:ansible_core:2"],"defaultStatus":"unaffected","product":"Red Hat Ansible Automation Platform Ansible Core 2","vendor":"Red Hat"},{"cpes":["cpe:/o:redhat:enterprise_linux:10"],"defaultStatus":"unaffected","product":"Red Hat Enterprise Linux 10","vendor":"Red Hat"},{"cpes":["cpe:/o:redhat:enterprise_linux:8"],"defaultStatus":"unaffected","product":"Red Hat Enterprise Linux 8","vendor":"Red Hat"},{"cpes":["cpe:/o:redhat:enterprise_linux:9"],"defaultStatus":"unaffected","product":"Red Hat Enterprise Linux 9","vendor":"Red Hat"}],"datePublic":"2026-02-10T21:42:56.471Z","descriptions":[{"lang":"en","value":"A validation flaw has been discovered in the python cryptography package. This missing validation allows an attacker to provide a public key point P from a small-order subgroup. This can lead to security issues in various situations, such as the most commonly used signature verification (ECDSA) and shared key negotiation (ECDH). When the victim computes the shared secret as S = [victim_private_key]P via ECDH, this leaks information about victim_private_key mod (small_subgroup_order). For curves with cofactor > 1, this reveals the least significant bits of the private key. When these weak public keys are used in ECDSA , it's easy to forge signatures on the small subgroup. Only SECT curves are impacted by this."}],"metrics":[{"other":{"content":{"namespace":"https://access.redhat.com/security/updates/classification/","value":"Important"},"type":"Red Hat severity rating"}},{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.4,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","version":"3.1"},"format":"CVSS"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-354","description":"Improper Validation of Integrity Check Value","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-07-01T12:04:53.754Z","orgId":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","shortName":"redhat-SADP"},"references":[{"tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2026-26007"},{"name":"RHBZ#2438762","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2438762"},{"tags":["x_sadp-csaf-vex"],"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-26007.json"},{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:13512"},{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:12176"},{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:22330"},{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:21517"},{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:21431"},{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:13672"},{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:19355"},{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:6308"},{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:13553"},{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:13545"},{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:6309"},{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:2694"},{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:7295"},{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:10184"},{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:5665"},{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:6568"},{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:6497"},{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:6567"},{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:5168"},{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:22993"}],"solutions":[{"lang":"en","value":"RHSA-2026:13512: Red Hat Ansible Automation Platform 2.5 for RHEL 8, Red Hat Ansible Automation Platform 2.5 for RHEL 9"},{"lang":"en","value":"RHSA-2026:12176: Red Hat Enterprise Linux AppStream (v. 8), Red Hat Enterprise Linux HighAvailability (v. 8), Red Hat Enterprise Linux ResilientStorage (v. 8)"},{"lang":"en","value":"RHSA-2026:22330: Red Hat Enterprise Linux AppStream E4S (v.9.2), Red Hat Enterprise Linux High Availability E4S (v.9.2), Red Hat Enterprise Linux Resilient Storage E4S (v.9.2)"},{"lang":"en","value":"RHSA-2026:21517: Red Hat Enterprise Linux AppStream EUS (v.9.4), Red Hat Enterprise Linux High Availability EUS (v.9.4), Red Hat Enterprise Linux Resilient Storage EUS (v.9.4)"},{"lang":"en","value":"RHSA-2026:21431: Red Hat Enterprise Linux AppStream EUS (v.9.6)"},{"lang":"en","value":"RHSA-2026:13672: Red Hat Enterprise Linux AppStream (v. 9)"},{"lang":"en","value":"RHSA-2026:19355: Red Hat Enterprise Linux AppStream (v. 9)"},{"lang":"en","value":"RHSA-2026:6308: Red Hat Ansible Automation Platform 2.5"},{"lang":"en","value":"RHSA-2026:13553: Red Hat Ansible Automation Platform 2.5"},{"lang":"en","value":"RHSA-2026:13545: Red Hat Ansible Automation Platform 2.6"},{"lang":"en","value":"RHSA-2026:6309: Red Hat Ansible Automation Platform 2.6"},{"lang":"en","value":"RHSA-2026:2694: Red Hat Discovery 2"},{"lang":"en","value":"RHSA-2026:7295: Red Hat Hardened Images"},{"lang":"en","value":"RHSA-2026:10184: Red Hat OpenShift AI 2.25"},{"lang":"en","value":"RHSA-2026:5665: Red Hat Quay 3.10"},{"lang":"en","value":"RHSA-2026:6568: Red Hat Quay 3.15"},{"lang":"en","value":"RHSA-2026:6497: Red Hat Quay 3.16"},{"lang":"en","value":"RHSA-2026:6567: Red Hat Quay 3.16"},{"lang":"en","value":"RHSA-2026:5168: Red Hat Quay 3.9"},{"lang":"en","value":"RHSA-2026:22993: Red Hat Satellite 6.18"}],"timeline":[{"lang":"en","time":"2026-02-10T22:01:01.036Z","value":"Reported to Red Hat."},{"lang":"en","time":"2026-02-10T21:42:56.471Z","value":"Made public."}],"title":"cryptography: cryptography Subgroup Attack Due to Missing Subgroup Validation for SECT Curves","workarounds":[{"lang":"en","value":"Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}],"x_adpType":"supplier","x_generator":{"engine":"sadp-cli 1.0.0"}}],"cna":{"affected":[{"product":"cryptography","vendor":"pyca","versions":[{"status":"affected","version":"< 46.0.5"}]}],"descriptions":[{"lang":"en","value":"cryptography is a package designed to expose cryptographic primitives and recipes to Python developers. Prior to 46.0.5, the public_key_from_numbers (or EllipticCurvePublicNumbers.public_key()), EllipticCurvePublicNumbers.public_key(), load_der_public_key() and load_pem_public_key() functions do not verify that the point belongs to the expected prime-order subgroup of the curve. This missing validation allows an attacker to provide a public key point P from a small-order subgroup. This can lead to security issues in various situations, such as the most commonly used signature verification (ECDSA) and shared key negotiation (ECDH). When the victim computes the shared secret as S = [victim_private_key]P via ECDH, this leaks information about victim_private_key mod (small_subgroup_order). For curves with cofactor > 1, this reveals the least significant bits of the private key. When these weak public keys are used in ECDSA , it's easy to forge signatures on the small subgroup. Only SECT curves are impacted by this. This vulnerability is fixed in 46.0.5."}],"metrics":[{"cvssV4_0":{"attackComplexity":"HIGH","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.2,"baseSeverity":"HIGH","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"NONE"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-345","description":"CWE-345: Insufficient Verification of Data Authenticity","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-02-10T21:42:56.471Z","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M"},"references":[{"name":"https://github.com/pyca/cryptography/security/advisories/GHSA-r6ph-v2qm-q3c2","tags":["x_refsource_CONFIRM"],"url":"https://github.com/pyca/cryptography/security/advisories/GHSA-r6ph-v2qm-q3c2"},{"name":"https://github.com/pyca/cryptography/commit/0eebb9dbb6343d9bc1d91e5a2482ed4e054a6d8c","tags":["x_refsource_MISC"],"url":"https://github.com/pyca/cryptography/commit/0eebb9dbb6343d9bc1d91e5a2482ed4e054a6d8c"}],"source":{"advisory":"GHSA-r6ph-v2qm-q3c2","discovery":"UNKNOWN"},"title":"cryptography Subgroup Attack Due to Missing Subgroup Validation for SECT Curves"}},"cveMetadata":{"assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","assignerShortName":"GitHub_M","cveId":"CVE-2026-26007","datePublished":"2026-02-10T21:42:56.471Z","dateReserved":"2026-02-09T21:36:29.552Z","dateUpdated":"2026-07-01T12:04:53.754Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-02-10 22:17:00","lastModifiedDate":"2026-07-01 13:16:52","problem_types":["CWE-345","CWE-354","CWE-345 CWE-345: Insufficient Verification of Data Authenticity","CWE-354 Improper Validation of Integrity Check Value"],"metrics":{"cvssMetricV40":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","baseScore":8.2,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"HIGH","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","confidentialityRequirement":"NOT_DEFINED","integrityRequirement":"NOT_DEFINED","availabilityRequirement":"NOT_DEFINED","modifiedAttackVector":"NOT_DEFINED","modifiedAttackComplexity":"NOT_DEFINED","modifiedAttackRequirements":"NOT_DEFINED","modifiedPrivilegesRequired":"NOT_DEFINED","modifiedUserInteraction":"NOT_DEFINED","modifiedVulnConfidentialityImpact":"NOT_DEFINED","modifiedVulnIntegrityImpact":"NOT_DEFINED","modifiedVulnAvailabilityImpact":"NOT_DEFINED","modifiedSubConfidentialityImpact":"NOT_DEFINED","modifiedSubIntegrityImpact":"NOT_DEFINED","modifiedSubAvailabilityImpact":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED"}}],"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","baseScore":6.5,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE"},"exploitabilityScore":2.8,"impactScore":3.6},{"source":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","baseScore":7.4,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"NONE"},"exploitabilityScore":2.2,"impactScore":5.2}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-02-11T21:28:38.864657Z","id":"CVE-2026-26007","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:cryptography.io:cryptography:*:*:*:*:*:python:*:*","versionEndExcluding":"46.0.5","matchCriteriaId":"CB473C4C-52CE-495D-B97D-9B4188A10313"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"26007","Ordinal":"1","Title":"cryptography Subgroup Attack Due to Missing Subgroup Validation ","CVE":"CVE-2026-26007","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"26007","Ordinal":"1","NoteData":"cryptography is a package designed to expose cryptographic primitives and recipes to Python developers. Prior to 46.0.5, the public_key_from_numbers (or EllipticCurvePublicNumbers.public_key()), EllipticCurvePublicNumbers.public_key(), load_der_public_key() and load_pem_public_key() functions do not verify that the point belongs to the expected prime-order subgroup of the curve. This missing validation allows an attacker to provide a public key point P from a small-order subgroup. This can lead to security issues in various situations, such as the most commonly used signature verification (ECDSA) and shared key negotiation (ECDH). When the victim computes the shared secret as S = [victim_private_key]P via ECDH, this leaks information about victim_private_key mod (small_subgroup_order). For curves with cofactor > 1, this reveals the least significant bits of the private key. When these weak public keys are used in ECDSA , it's easy to forge signatures on the small subgroup. Only SECT curves are impacted by this. This vulnerability is fixed in 46.0.5.","Type":"Description","Title":"cryptography Subgroup Attack Due to Missing Subgroup Validation "}]}}}