Auth bypass in Auth0 Nextjs-auth0

CVE-2025-67490

The Auth0 Next.js SDK is a library for implementing user authentication in Next.js applications. When using versions 4.11.0 through 4.11.2 and 4.12.0, simultaneous requests on the same client may result in improper lookups in the TokenRequ…

Vulnerability class: Broken Access Control

EPSS: 0.000 (15.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-67490?
CVE-2025-67490 is a medium-severity vulnerability in Auth0 Nextjs-auth0, classified under Incorrect Authorization. CVSS score: 5.4/10. Published 2025-12-10.
How severe is CVE-2025-67490?
Medium severity. CVSS v3 base score is 5.4 out of 10.