{"id":"CVE-2026-44405","aliases":["GHSA-r374-rxx8-8654","PYSEC-2026-2858"],"url":"https://o3.security/vulnerability/CVE-2026-44405","summary":"Paramiko rsakey.py allows the SHA-1 algorithm","details":"In Paramiko through 4.0.0 before a448945, rsakey.py allows the SHA-1 algorithm.","published":"2026-05-05T23:50:52.811Z","modified":"2026-08-12T03:51:17.586397491Z","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"},"epss":{"score":0.00114,"percentile":0.01625,"asOf":"2026-08-24"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"paramiko","fixedVersion":null}],"fix":{"url":"https://github.com/paramiko/paramiko/commit/a4489456b6f65281e172380cc4826cee5e851dbb","label":"paramiko/paramiko@a448945"},"references":[{"type":"WEB","url":"https://ostif.org/wp-content/uploads/2026/05/25-11-2415-REP_paramiko-security-audit_v1.1.pdf"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/44xxx/CVE-2026-44405.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-44405"},{"type":"FIX","url":"https://github.com/paramiko/paramiko/commit/a4489456b6f65281e172380cc4826cee5e851dbb"},{"type":"PACKAGE","url":"https://github.com/paramiko/paramiko"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:17.586397491Z"}}