Skip to main content
← All vulnerabilities
CVE-2026-42280GHSA-8QJV-JJ2Q-X832

Improper Permission Checking in Auth.js SDK

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 10.0.0
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

Auth0.js is a client-side JavaScript library for Auth0. From 8.11.0 to 9.32.0, under specific preconditions, the Auth0.js SDK may improperly return user profile information using a valid access token when a specifically crafted invalid ID token is provided. This vulnerability is fixed in 10.0.0.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • auth0 auth0.js

    From 8.11.0 · through 9.32.0

  • auth0-jsnpm

    From 8.11.0 · fixed in 10.0.0

References 1

GitHub · auth0/auth0.js