{"id":"CVE-2026-40947","aliases":["EUVD-2026-23135","GHSA-6vgr-gf7r-f3jc"],"status":"published","title":"Yubico libfido2 before 1.17.0, python-fido2 before 2.2.0, and yubikey-manager before 5.9.1 have...","description":"Yubico libfido2 before 1.17.0, python-fido2 before 2.2.0, and yubikey-manager before 5.9.1 have an unintended DLL search path.","severity":{"version":"3.1","score":2.9,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00131,"percentile":0.02712,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-426"],"published":"2026-04-15T23:13:38Z","modified":"2026-10-26T21:10:00Z","products":[{"vendor":"yubico","product":"libfido2"},{"vendor":"yubico","product":"python-fido2"},{"vendor":"yubico","product":"yubikey-manager"}],"references":[{"url":"https://www.yubico.com/support/security-advisories/ysa-2026-01/"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-40947"},{"url":"https://www.yubico.com/support/security-advisories/ysa-2026-01"},{"url":"https://github.com/advisories/GHSA-6vgr-gf7r-f3jc"}],"sources":{"cve":[{"id":"CVE-2026-40947","description":"Yubico libfido2 before 1.17.0, python-fido2 before 2.2.0, and yubikey-manager before 5.9.1 have an unintended DLL search path.","status":"published","published":"2026-04-15T23:13:38.977Z","modified":"2026-04-16T13:18:13.069Z","cvss":[{"version":"3.1","score":2.9,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"low","assessor":"cna"}],"cwes":["CWE-426"],"updated_at":"2026-11-02T13:43:11.445168Z"}],"euvd":[{"id":"EUVD-2026-23135","description":"Yubico libfido2 before 1.17.0, python-fido2 before 2.2.0, and yubikey-manager before 5.9.1 have an unintended DLL search path.","status":"published","published":"2026-04-15T23:13:38Z","modified":"2026-04-16T13:18:13Z","cvss":[{"version":"3.1","score":2.9,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"low"}],"updated_at":"2026-11-02T19:24:24.386229Z"}],"ghsa":[{"id":"GHSA-6vgr-gf7r-f3jc","title":"Yubico libfido2 before 1.17.0, python-fido2 before 2.2.0, and yubikey-manager before 5.9.1 have...","description":"Yubico libfido2 before 1.17.0, python-fido2 before 2.2.0, and yubikey-manager before 5.9.1 have an unintended DLL search path.","status":"published","published":"2026-04-16T00:54:04Z","modified":"2026-04-16T00:54:15Z","cvss":[{"version":"3.1","score":2.9,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"low"}],"cwes":["CWE-426"],"updated_at":"2026-11-02T15:07:31.233383Z"}],"nvd":[{"id":"CVE-2026-40947","description":"Yubico libfido2 before 1.17.0, python-fido2 before 2.2.0, and yubikey-manager before 5.9.1 have an unintended DLL search path.","status":"published","published":"2026-04-16T00:16:29.223Z","modified":"2026-10-26T21:10:00.17Z","cvss":[{"version":"3.1","score":2.9,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"low","assessor":"secondary"}],"cwes":["CWE-426"],"updated_at":"2026-11-02T14:12:14.748836Z"}]}}