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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.

PUBLISHED Reserved 2026-04-26 | Published 2026-05-27 | Updated 2026-05-28 | Assigner GitHub_M




HIGH: 7.1CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N

Problem types

CWE-863: Incorrect Authorization

Product status

>= 8.11.0 , <= 9.32.0
affected

References

github.com/...th0.js/security/advisories/GHSA-8qjv-jj2q-x832

cve.org (CVE-2026-42280)

nvd.nist.gov (CVE-2026-42280)

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