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VULNERABILITIES

CVE-2026-79664 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:7.4 HIGHVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/lin-snow/Ech0/security/advisories/GHSA-fpw6-hrg5-q5x5 CISA-ADP
https://github.com/lin-snow/Ech0/security/advisories/GHSA-fpw6-hrg5-q5x5 [email protected]
https://www.vulncheck.com/advisories/ech0-before-access-token-revocation-bypass [email protected]

Weakness Enumeration

CWE-IDCWE NameSource
CWE-613Insufficient Session Expiration[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-79664
NVD Published Date:
Aug 25, 2026
NVD Last Modified:
Sep 23, 2026
Source:
[email protected]
CVE-2026-79664 Details - Not Deferred