{"id":"CVE-2026-79664","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-79664","summary":"Ech0 before 4.7.3 fails to properly revoke access tokens created with never-expire option, allowing attackers to maintain perpetual authenticated access after token theft. Three independent…","details":"Ech0 before 4.7.3 fails to properly revoke access tokens created with never-expire option, allowing attackers to maintain perpetual authenticated access after token theft. Three independent revocation mechanisms fail: logout panics on nil ExpiresAt field, RevokeToken skips when remainTTL is zero, and admin delete does not blacklist the JTI, leaving stolen tokens cryptographically valid until JWT secret rotation.","published":"2026-08-25T12:16:34.370","modified":"2026-08-25T12:16:34.370","cvss":{"score":7.4,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://github.com/lin-snow/Ech0/security/advisories/GHSA-fpw6-hrg5-q5x5"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/ech0-before-access-token-revocation-bypass"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-08-25T12:16:34.370"}}