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OpenAdvisories
High · 7.1 CVE-2026-42280 EUVD-2026-32533GHSA-8qjv-jj2q-x832

Improper Permission Checking in Auth.js SDK

Published May 27, 2026 · Updated May 28, 2026 · Assigned by GitHub_M

Description

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.

Affected products

VendorProductAffectedFixed
auth0 auth0.js >= 8.11.0 , <= 9.32.0 —

Affected packages

EcosystemPackageAffectedFixedRecord
npm auth0-js >= 8.11.0, < 10.0.0 10.0.0 GHSA-8qjv-jj2q-x832

References