CVE-2026-42280

Published: May 27, 2026Modified: Jun 17, 2026

7.1

Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N

Exploitability: 2.8 / Impact: 4.2

Source: security-advisories@github.com (Secondary)

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 (1)

Products: Auth0: Auth0.js

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Auth0 Auth0.js	From 8.11.0 to 10.0.0

Related CWEs

Incorrect Authorization

The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions.

References (1)

https://github.com/auth0/auth0.js/security/advisories/GHSA-8qjv-jj2q-x832

Source: security-advisories@github.com

Vendor Advisory

Timeline

No history available yet.