{"api_version":"1","generated_at":"2026-07-23T12:10:04+00:00","cve":"CVE-2026-1529","urls":{"html":"https://cve.report/CVE-2026-1529","api":"https://cve.report/api/cve/CVE-2026-1529.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-1529","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-1529"},"summary":{"title":"Org.keycloak.services.resources.organizations: keycloak: unauthorized organization registration via improper invitation token validation","description":"A flaw was found in Keycloak. An attacker can exploit this vulnerability by modifying the organization ID and target email within a legitimate invitation token's JSON Web Token (JWT) payload. This lack of cryptographic signature verification allows the attacker to successfully self-register into an unauthorized organization, leading to unauthorized access.","state":"PUBLISHED","assigner":"redhat","published_at":"2026-02-09 20:15:55","updated_at":"2026-07-15 02:18:16"},"problem_types":["CWE-347","CWE-347 Improper Verification of Cryptographic Signature"],"metrics":[{"version":"3.1","source":"ADP","type":"CVSS","score":"8.1","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","data":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.1,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","version":"3.1"}},{"version":"3.1","source":"secalert@redhat.com","type":"Secondary","score":"8.1","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","baseScore":8.1,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"NONE"}},{"version":"3.1","source":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","type":"Secondary","score":"8.1","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","baseScore":8.1,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"NONE"}},{"version":"3.1","source":"CNA","type":"CVSS","score":"8.1","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","data":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.1,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","version":"3.1"}}],"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2433783","name":"https://bugzilla.redhat.com/show_bug.cgi?id=2433783","refsource":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://access.redhat.com/errata/RHSA-2026:2365","name":"https://access.redhat.com/errata/RHSA-2026:2365","refsource":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://access.redhat.com/errata/RHSA-2026:2363","name":"https://access.redhat.com/errata/RHSA-2026:2363","refsource":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-1529.json","name":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-1529.json","refsource":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://access.redhat.com/errata/RHSA-2026:2364","name":"https://access.redhat.com/errata/RHSA-2026:2364","refsource":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://access.redhat.com/errata/RHSA-2026:2366","name":"https://access.redhat.com/errata/RHSA-2026:2366","refsource":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://access.redhat.com/security/cve/CVE-2026-1529","name":"https://access.redhat.com/security/cve/CVE-2026-1529","refsource":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-1529","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-1529","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Red Hat","product":"Red Hat build of Keycloak 26.2","version":"unaffected 26.2.13-1 * rpm","platforms":[]},{"source":"CNA","vendor":"Red Hat","product":"Red Hat build of Keycloak 26.2","version":"unaffected 26.2-15 * rpm","platforms":[]},{"source":"CNA","vendor":"Red Hat","product":"Red Hat build of Keycloak 26.2","version":"unaffected 26.2-15 * rpm","platforms":[]},{"source":"CNA","vendor":"Red Hat","product":"Red Hat build of Keycloak 26.2.13","version":"","platforms":[]},{"source":"CNA","vendor":"Red Hat","product":"Red Hat build of Keycloak 26.4","version":"unaffected 26.4.9-1 * rpm","platforms":[]},{"source":"CNA","vendor":"Red Hat","product":"Red Hat build of Keycloak 26.4","version":"unaffected 26.4-11 * rpm","platforms":[]},{"source":"CNA","vendor":"Red Hat","product":"Red Hat build of Keycloak 26.4","version":"unaffected 26.4-10 * rpm","platforms":[]},{"source":"CNA","vendor":"Red Hat","product":"Red Hat build of Keycloak 26.4.9","version":"","platforms":[]},{"source":"ADP","vendor":"Red Hat","product":"Red Hat build of Keycloak 26.2","version":"unaffected 26.2.13-1 * rpm","platforms":[]},{"source":"ADP","vendor":"Red Hat","product":"Red Hat build of Keycloak 26.2","version":"unaffected 26.2-15 * rpm","platforms":[]},{"source":"ADP","vendor":"Red Hat","product":"Red Hat build of Keycloak 26.2","version":"unaffected 26.2-15 * rpm","platforms":[]},{"source":"ADP","vendor":"Red Hat","product":"Red Hat build of Keycloak 26.2.13","version":"","platforms":[]},{"source":"ADP","vendor":"Red Hat","product":"Red Hat build of Keycloak 26.4","version":"unaffected 26.4.9-1 * rpm","platforms":[]},{"source":"ADP","vendor":"Red Hat","product":"Red Hat build of Keycloak 26.4","version":"unaffected 26.4-11 * rpm","platforms":[]},{"source":"ADP","vendor":"Red Hat","product":"Red Hat build of Keycloak 26.4","version":"unaffected 26.4-10 * rpm","platforms":[]},{"source":"ADP","vendor":"Red Hat","product":"Red Hat build of Keycloak 26.4.9","version":"","platforms":[]}],"timeline":[{"source":"CNA","time":"2026-01-28T12:29:47.086Z","lang":"en","value":"Reported to Red Hat."},{"source":"CNA","time":"2026-02-09T18:21:00.000Z","lang":"en","value":"Made public."},{"source":"ADP","time":"2026-01-28T12:29:47.086Z","lang":"en","value":"Reported to Red Hat."},{"source":"ADP","time":"2026-02-09T18:21:00.000Z","lang":"en","value":"Made public."}],"solutions":[{"source":"ADP","title":"","value":"RHSA-2026:2364: Red Hat build of Keycloak 26.2","time":"","lang":"en"},{"source":"ADP","title":"","value":"RHSA-2026:2366: Red Hat build of Keycloak 26.4","time":"","lang":"en"},{"source":"ADP","title":"","value":"RHSA-2026:2363: Red Hat build of Keycloak 26.2.13","time":"","lang":"en"},{"source":"ADP","title":"","value":"RHSA-2026:2365: Red Hat build of Keycloak 26.4.9","time":"","lang":"en"}],"workarounds":[{"source":"CNA","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"},{"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":[{"source":"CNA","value":"Red Hat would like to thank Joy Gilbert (gwthr) and Reynaldo Immanuel for reporting this issue.","lang":"en"}],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"1529","cve":"CVE-2026-1529","epss":"0.004530000","percentile":"0.365830000","score_date":"2026-07-18","updated_at":"2026-07-19 00:01:39"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2026-1529","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-02-09T20:51:02.872925Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-02-09T20:51:17.932Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"},{"affected":[{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:build_keycloak:26.2::el9"],"defaultStatus":"affected","packageName":"rhbk/keycloak-operator-bundle","product":"Red Hat build of Keycloak 26.2","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"26.2.13-1","versionType":"rpm"}]},{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:build_keycloak:26.2::el9"],"defaultStatus":"affected","packageName":"rhbk/keycloak-rhel9","product":"Red Hat build of Keycloak 26.2","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"26.2-15","versionType":"rpm"}]},{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:build_keycloak:26.2::el9"],"defaultStatus":"affected","packageName":"rhbk/keycloak-rhel9-operator","product":"Red Hat build of Keycloak 26.2","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"26.2-15","versionType":"rpm"}]},{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:build_keycloak:26.2::el9"],"defaultStatus":"unaffected","packageName":"rhbk/keycloak-rhel9","product":"Red Hat build of Keycloak 26.2.13","vendor":"Red Hat"},{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:build_keycloak:26.4::el9"],"defaultStatus":"affected","packageName":"rhbk/keycloak-operator-bundle","product":"Red Hat build of Keycloak 26.4","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"26.4.9-1","versionType":"rpm"}]},{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:build_keycloak:26.4::el9"],"defaultStatus":"affected","packageName":"rhbk/keycloak-rhel9","product":"Red Hat build of Keycloak 26.4","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"26.4-11","versionType":"rpm"}]},{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:build_keycloak:26.4::el9"],"defaultStatus":"affected","packageName":"rhbk/keycloak-rhel9-operator","product":"Red Hat build of Keycloak 26.4","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"26.4-10","versionType":"rpm"}]},{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:build_keycloak:26.4::el9"],"defaultStatus":"unaffected","packageName":"rhbk/keycloak-rhel9","product":"Red Hat build of Keycloak 26.4.9","vendor":"Red Hat"}],"datePublic":"2026-02-09T18:21:00.000Z","descriptions":[{"lang":"en","value":"A flaw was found in Keycloak. An attacker can exploit this vulnerability by modifying the organization ID and target email within a legitimate invitation token's JSON Web Token (JWT) payload. This lack of cryptographic signature verification allows the attacker to successfully self-register into an unauthorized organization, leading to unauthorized access."}],"metrics":[{"other":{"content":{"namespace":"https://access.redhat.com/security/updates/classification/","value":"Important"},"type":"Red Hat severity rating"}},{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.1,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","version":"3.1"},"format":"CVSS"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-347","description":"Improper Verification of Cryptographic Signature","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-07-15T01:21:31.949Z","orgId":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","shortName":"redhat-SADP"},"references":[{"tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2026-1529"},{"name":"RHBZ#2433783","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2433783"},{"tags":["x_sadp-csaf-vex"],"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-1529.json"},{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:2364"},{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:2366"},{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:2363"},{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:2365"}],"solutions":[{"lang":"en","value":"RHSA-2026:2364: Red Hat build of Keycloak 26.2"},{"lang":"en","value":"RHSA-2026:2366: Red Hat build of Keycloak 26.4"},{"lang":"en","value":"RHSA-2026:2363: Red Hat build of Keycloak 26.2.13"},{"lang":"en","value":"RHSA-2026:2365: Red Hat build of Keycloak 26.4.9"}],"timeline":[{"lang":"en","time":"2026-01-28T12:29:47.086Z","value":"Reported to Red Hat."},{"lang":"en","time":"2026-02-09T18:21:00.000Z","value":"Made public."}],"title":"org.keycloak.services.resources.organizations: Keycloak: Unauthorized organization registration via improper invitation token validation","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":[{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:build_keycloak:26.2::el9"],"defaultStatus":"affected","packageName":"rhbk/keycloak-operator-bundle","product":"Red Hat build of Keycloak 26.2","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"26.2.13-1","versionType":"rpm"}]},{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:build_keycloak:26.2::el9"],"defaultStatus":"affected","packageName":"rhbk/keycloak-rhel9","product":"Red Hat build of Keycloak 26.2","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"26.2-15","versionType":"rpm"}]},{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:build_keycloak:26.2::el9"],"defaultStatus":"affected","packageName":"rhbk/keycloak-rhel9-operator","product":"Red Hat build of Keycloak 26.2","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"26.2-15","versionType":"rpm"}]},{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:build_keycloak:26.2::el9"],"defaultStatus":"unaffected","packageName":"rhbk/keycloak-rhel9","product":"Red Hat build of Keycloak 26.2.13","vendor":"Red Hat"},{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:build_keycloak:26.4::el9"],"defaultStatus":"affected","packageName":"rhbk/keycloak-operator-bundle","product":"Red Hat build of Keycloak 26.4","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"26.4.9-1","versionType":"rpm"}]},{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:build_keycloak:26.4::el9"],"defaultStatus":"affected","packageName":"rhbk/keycloak-rhel9","product":"Red Hat build of Keycloak 26.4","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"26.4-11","versionType":"rpm"}]},{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:build_keycloak:26.4::el9"],"defaultStatus":"affected","packageName":"rhbk/keycloak-rhel9-operator","product":"Red Hat build of Keycloak 26.4","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"26.4-10","versionType":"rpm"}]},{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:build_keycloak:26.4::el9"],"defaultStatus":"unaffected","packageName":"rhbk/keycloak-rhel9","product":"Red Hat build of Keycloak 26.4.9","vendor":"Red Hat"}],"credits":[{"lang":"en","value":"Red Hat would like to thank Joy Gilbert (gwthr) and Reynaldo Immanuel for reporting this issue."}],"datePublic":"2026-02-09T18:21:00.000Z","descriptions":[{"lang":"en","value":"A flaw was found in Keycloak. An attacker can exploit this vulnerability by modifying the organization ID and target email within a legitimate invitation token's JSON Web Token (JWT) payload. This lack of cryptographic signature verification allows the attacker to successfully self-register into an unauthorized organization, leading to unauthorized access."}],"metrics":[{"other":{"content":{"namespace":"https://access.redhat.com/security/updates/classification/","value":"Important"},"type":"Red Hat severity rating"}},{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.1,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","version":"3.1"},"format":"CVSS"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-347","description":"Improper Verification of Cryptographic Signature","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-02-16T21:45:35.169Z","orgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","shortName":"redhat"},"references":[{"name":"RHSA-2026:2363","tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:2363"},{"name":"RHSA-2026:2364","tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:2364"},{"name":"RHSA-2026:2365","tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:2365"},{"name":"RHSA-2026:2366","tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:2366"},{"tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2026-1529"},{"name":"RHBZ#2433783","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2433783"}],"timeline":[{"lang":"en","time":"2026-01-28T12:29:47.086Z","value":"Reported to Red Hat."},{"lang":"en","time":"2026-02-09T18:21:00.000Z","value":"Made public."}],"title":"Org.keycloak.services.resources.organizations: keycloak: unauthorized organization registration via improper invitation token validation","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_generator":{"engine":"cvelib 1.8.0"},"x_redhatCweChain":"CWE-347: Improper Verification of Cryptographic Signature"}},"cveMetadata":{"assignerOrgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","assignerShortName":"redhat","cveId":"CVE-2026-1529","datePublished":"2026-02-09T18:36:15.077Z","dateReserved":"2026-01-28T12:22:02.063Z","dateUpdated":"2026-07-15T01:21:31.949Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-02-09 20:15:55","lastModifiedDate":"2026-07-15 02:18:16","problem_types":["CWE-347","CWE-347 Improper Verification of Cryptographic Signature"],"metrics":{"cvssMetricV31":[{"source":"secalert@redhat.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","baseScore":8.1,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"NONE"},"exploitabilityScore":2.8,"impactScore":5.2},{"source":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","baseScore":8.1,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"NONE"},"exploitabilityScore":2.8,"impactScore":5.2}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-02-09T20:51:02.872925Z","id":"CVE-2026-1529","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"1529","Ordinal":"1","Title":"Org.keycloak.services.resources.organizations: keycloak: unautho","CVE":"CVE-2026-1529","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"1529","Ordinal":"1","NoteData":"A flaw was found in Keycloak. An attacker can exploit this vulnerability by modifying the organization ID and target email within a legitimate invitation token's JSON Web Token (JWT) payload. This lack of cryptographic signature verification allows the attacker to successfully self-register into an unauthorized organization, leading to unauthorized access.","Type":"Description","Title":"Org.keycloak.services.resources.organizations: keycloak: unautho"}]}}}