Incorrect Authorization Affecting @auth0/nextjs-auth0 package, versions >=4.11.0 <4.11.2>=4.12.0 <4.12.1


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications

Snyk Learn

Learn about Incorrect Authorization vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-JS-AUTH0NEXTJSAUTH0-14361680
  • published11 Dec 2025
  • disclosed10 Dec 2025
  • creditJoshua Rogers

Introduced: 10 Dec 2025

NewCVE-2025-67490  (opens in a new tab)
CWE-863  (opens in a new tab)

How to fix?

Upgrade @auth0/nextjs-auth0 to version 4.11.2, 4.12.1 or higher.

Overview

@auth0/nextjs-auth0 is a Next.js SDK for signing in with Auth0

Affected versions of this package are vulnerable to Incorrect Authorization via improper lookups in TokenRequestCache. An attacker can access sensitive information belonging to other users by making simultaneous requests on the same client instance.

CVSS Base Scores

version 4.0
version 3.1