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.

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Advisories
Source ID Title
Github GHSA Github GHSA GHSA-8qjv-jj2q-x832 Auth.js SDK has Improper Permission Checking
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Thu, 28 May 2026 16:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 28 May 2026 04:45:00 +0000

Type Values Removed Values Added
First Time appeared Auth0
Auth0 auth0.js
Vendors & Products Auth0
Auth0 auth0.js

Wed, 27 May 2026 15:15:00 +0000

Type Values Removed Values Added
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.
Title Improper Permission Checking in Auth.js SDK
Weaknesses CWE-863
References
Metrics cvssV3_1

{'score': 7.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-05-28T15:36:56.102Z

Reserved: 2026-04-26T11:53:27.717Z

Link: CVE-2026-42280

cve-icon Vulnrichment

Updated: 2026-05-28T15:36:51.445Z

cve-icon NVD

Status : Undergoing Analysis

Published: 2026-05-27T15:16:27.753

Modified: 2026-05-29T15:42:56.873

Link: CVE-2026-42280

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-28T04:30:06Z

Weaknesses