{"api_version":"1","generated_at":"2026-05-06T09:55:50+00:00","cve":"CVE-2026-44405","urls":{"html":"https://cve.report/CVE-2026-44405","api":"https://cve.report/api/cve/CVE-2026-44405.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-44405","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-44405"},"summary":{"title":"CVE-2026-44405","description":"In Paramiko through 4.0.0 before a448945, rsakey.py allows the SHA-1 algorithm.","state":"PUBLISHED","assigner":"mitre","published_at":"2026-05-06 00:16:04","updated_at":"2026-05-06 00:16:04"},"problem_types":["CWE-327","CWE-327 CWE-327 Use of a Broken or Risky Cryptographic Algorithm"],"metrics":[{"version":"3.1","source":"cve@mitre.org","type":"Secondary","score":"3.4","severity":"LOW","vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N","baseScore":3.4,"baseSeverity":"LOW","attackVector":"ADJACENT_NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"NONE"}},{"version":"3.1","source":"CNA","type":"CVSS","score":"3.4","severity":"LOW","vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N","data":{"attackComplexity":"HIGH","attackVector":"ADJACENT_NETWORK","availabilityImpact":"NONE","baseScore":3.4,"baseSeverity":"LOW","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N","version":"3.1"}}],"references":[{"url":"https://github.com/paramiko/paramiko/commit/a4489456b6f65281e172380cc4826cee5e851dbb","name":"https://github.com/paramiko/paramiko/commit/a4489456b6f65281e172380cc4826cee5e851dbb","refsource":"cve@mitre.org","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://ostif.org/wp-content/uploads/2026/05/25-11-2415-REP_paramiko-security-audit_v1.1.pdf","name":"https://ostif.org/wp-content/uploads/2026/05/25-11-2415-REP_paramiko-security-audit_v1.1.pdf","refsource":"cve@mitre.org","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-44405","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-44405","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Paramiko","product":"Paramiko","version":"affected a4489456b6f65281e172380cc4826cee5e851dbb git","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","packageURL":"pkg:pypi/paramiko","product":"Paramiko","vendor":"Paramiko","versions":[{"lessThan":"a4489456b6f65281e172380cc4826cee5e851dbb","status":"affected","version":"0","versionType":"git"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:paramiko:paramiko:*:*:*:*:*:*:*:*","versionEndExcluding":"a4489456b6f65281e172380cc4826cee5e851dbb","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In Paramiko through 4.0.0 before a448945, rsakey.py allows the SHA-1 algorithm."}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"ADJACENT_NETWORK","availabilityImpact":"NONE","baseScore":3.4,"baseSeverity":"LOW","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-327","description":"CWE-327 Use of a Broken or Risky Cryptographic Algorithm","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-05-05T23:55:03.332Z","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","shortName":"mitre"},"references":[{"url":"https://github.com/paramiko/paramiko/commit/a4489456b6f65281e172380cc4826cee5e851dbb"},{"url":"https://ostif.org/wp-content/uploads/2026/05/25-11-2415-REP_paramiko-security-audit_v1.1.pdf"}],"x_generator":{"engine":"CVE-Request-form 0.0.1"}}},"cveMetadata":{"assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","assignerShortName":"mitre","cveId":"CVE-2026-44405","datePublished":"2026-05-05T23:50:52.811Z","dateReserved":"2026-05-05T23:50:52.416Z","dateUpdated":"2026-05-05T23:55:03.332Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-06 00:16:04","lastModifiedDate":"2026-05-06 00:16:04","problem_types":["CWE-327","CWE-327 CWE-327 Use of a Broken or Risky Cryptographic Algorithm"],"metrics":{"cvssMetricV31":[{"source":"cve@mitre.org","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N","baseScore":3.4,"baseSeverity":"LOW","attackVector":"ADJACENT_NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":1.6,"impactScore":1.4}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"44405","Ordinal":"1","Title":"CVE-2026-44405","CVE":"CVE-2026-44405","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"44405","Ordinal":"1","NoteData":"In Paramiko through 4.0.0 before a448945, rsakey.py allows the SHA-1 algorithm.","Type":"Description","Title":"CVE-2026-44405"}]}}}