Insufficient Session Expiration in auth0.js - CVE-2026-107371

 

Insufficient Session Expiration in auth0.js - CVE-2026-107371

Published: October 14, 2026


Vulnerability identifier: #VU155670
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-107371
CWE-ID: CWE-613
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote user to bypass requested authentication freshness requirements.

The vulnerability exists due to missing verification of the auth_time claim against the requested maxAge value in auth0.js ID token validation when processing tokens resulting from authorize() calls with a maxAge parameter. A remote user can use an ID token representing an authentication event older than the requested maximum age to bypass requested authentication freshness requirements.


Affected software

auth0.js

How to mitigate CVE-2026-107371

Install security update from vendor's website.

auth0.js - update to 10.3.0

External References

Related Security Bulletins