CVE-2026-79664 — Ech0 before 4.7.3 Access Token Revocation Bypass
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…
Published: 2026-08-25 · CVSS: 9.1 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7