Vulnerability library
Security checkJune 08, 2026

Auth.js SDK has Improper Permission Checking

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High severitynpmauth0-js

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Description

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.

Recommendation

Update the auth0-js package to the latest compatible version. Followings are version details:

  • Affected version(s): >= 8.11.0, <= 9.32.0
  • Patched version(s): 10.0.0

References

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Related Issues

See something that needs correcting? Let us knowUpdated June 08, 2026