CVE-2026-42280

EUVD-2026-32533
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.1 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 11%
Affected Products (NVD)
VendorProductVersion
auth0auth0.js
8.11.0 ≤
𝑥
< 10.0.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/auth0/auth0.js/security/advisories/GHSA-8qjv-jj2q-x832