CVE-2026-3531

[CVE catalog]

Severity

Critical · CVSS 9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Published

Mar 4, 2026, 11:00:00 PM UTC

Source

[NVD] · [CVE record]

EPSS

0.26% · Oct 25, 2026

A flaw was found in Drupal OpenID Connect / OAuth client. This authentication bypass vulnerability allows an attacker to bypass authentication by using an alternate path or channel. This can lead to unauthorized access to resources or functionalities protected by the authentication mechanism. Red Hat Product Security has determined that this vulnerability does not affect any currently supported Red Hat product. This assessment may evolve based on further analysis and discovery. For more information about this vulnerability and the products it affects, please see the linked references. The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.