{"schema_version":"1.7.5","id":"GHSA-r374-rxx8-8654","published":"2026-05-06T00:31:33Z","modified":"2026-07-13T16:43:43.740749807Z","aliases":["CVE-2026-44405","PYSEC-2026-2858"],"related":["CGA-h6w8-w4hm-rr8p"],"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.","affected":[{"package":{"name":"paramiko","ecosystem":"PyPI","purl":"pkg:pypi/paramiko"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"4.0.0"}]}],"versions":["0.1-bulbasaur","0.1-charmander","0.9-doduo","0.9-eevee","0.9-fearow","0.9-gyarados","0.9-horsea","0.9-ivysaur","1.0","1.1","1.10.0","1.10.1","1.10.2","1.10.3","1.10.4","1.10.5","1.10.6","1.10.7","1.11.0","1.11.1","1.11.2","1.11.3","1.11.4","1.11.5","1.11.6","1.12.0","1.12.1","1.12.2","1.12.3","1.12.4","1.13.0","1.13.1","1.13.2","1.13.3","1.13.4","1.14.0","1.14.1","1.14.2","1.14.3","1.15.0","1.15.1","1.15.2","1.15.3","1.15.4","1.15.5","1.16.0","1.16.1","1.16.2","1.16.3","1.17.0","1.17.1","1.17.2","1.17.3","1.17.4","1.17.5","1.17.6","1.18.0","1.18.1","1.18.2","1.18.3","1.18.4","1.18.5","1.2","1.3","1.3.1","1.4","1.5.1","1.5.2","1.5.4","1.6","1.6.1","1.6.2","1.6.3","1.6.4","1.7","1.7.1","1.7.2","1.7.4","1.7.5","1.7.6","1.7.7.1","1.7.7.2","1.8.0","1.8.1","1.9.0","2.0.0","2.0.1","2.0.2","2.0.3","2.0.4","2.0.5","2.0.6","2.0.7","2.0.8","2.0.9","2.1.0","2.1.1","2.1.2","2.1.3","2.1.4","2.1.5","2.1.6","2.10.0","2.10.1","2.10.2","2.10.3","2.10.4","2.10.5","2.10.6","2.11.0","2.11.1","2.12.0","2.2.0","2.2.1","2.2.2","2.2.3","2.2.4","2.3.0","2.3.1","2.3.2","2.3.3","2.4.0","2.4.1","2.4.2","2.4.3","2.5.0","2.5.1","2.6.0","2.7.0","2.7.1","2.7.2","2.8.0","2.8.1","2.9.0","2.9.1","2.9.2","2.9.3","2.9.4","2.9.5","3.0.0","3.1.0","3.2.0","3.3.0","3.3.1","3.3.2","3.4.0","3.4.1","3.5.0","3.5.1","4.0.0"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/05/GHSA-r374-rxx8-8654/GHSA-r374-rxx8-8654.json"}}],"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-44405"},{"type":"WEB","url":"https://github.com/paramiko/paramiko/commit/a4489456b6f65281e172380cc4826cee5e851dbb"},{"type":"PACKAGE","url":"https://github.com/paramiko/paramiko"},{"type":"WEB","url":"https://ostif.org/wp-content/uploads/2026/05/25-11-2415-REP_paramiko-security-audit_v1.1.pdf"}],"database_specific":{"cwe_ids":["CWE-327"],"github_reviewed":true,"github_reviewed_at":"2026-05-08T23:13:43Z","nvd_published_at":"2026-05-06T00:16:04Z","severity":"LOW"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N"}]}