{"id":"CVE-2026-79664","revision":"25ceb0cfeef34035a67bd5f31c8fdf9a","records":[{"revision":"25ceb0cfeef34035a67bd5f31c8fdf9a","observedAt":"2026-10-25T16:19:04.694+00:00","statement":{"source":"nvd","id":"CVE-2026-79664","aliases":[],"title":"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 E…","description":"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.","state":0,"publishedAt":"2026-08-25T12:16:34.37+00:00","modifiedAt":"2026-09-23T18:14:58.577+00:00","affected":[],"metrics":[{"system":"CVSS 4.0 · disclosure@vulncheck.com · Secondary","vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","score":9.1,"severity":"CRITICAL"},{"system":"CVSS 3.1 · disclosure@vulncheck.com · Secondary","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","score":7.4,"severity":"HIGH"}],"references":["https://github.com/lin-snow/Ech0/security/advisories/GHSA-fpw6-hrg5-q5x5","https://www.vulncheck.com/advisories/ech0-before-access-token-revocation-bypass"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-79664","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Awaiting Analysis","weaknesses":["CWE-613"],"productCriteria":[],"sourceDates":{"published":"2026-08-25T12:16:34.370","lastModified":"2026-09-23T18:14:58.577"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-79664","identifiers":["CVE-2026-79664"]},"retained":false,"historicalAffected":[]}],"coverage":[]}