Incorrect Authorization Affecting org.webjars.npm:auth0-js package, versions [9.2.3,]
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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 IDSNYK-JAVA-ORGWEBJARSNPM-16438974
- published8 May 2026
- disclosed6 May 2026
- creditQuan Le
Introduced: 6 May 2026
CVE-2026-42280 (opens in a new tab)How to fix?
A fix was pushed into the master branch but not yet published.
Overview
org.webjars.npm:auth0-js is a Client Side Javascript toolkit for Auth0 API.
Affected versions of this package are vulnerable to Incorrect Authorization via token validation. An attacker can gain unauthorized access to user profile information by providing a specifically crafted invalid ID token along with a valid access token.
Note: This is only exploitable if the application's access control relies on rules defined in Auth0 Actions.