[ CVE-2026-87944 · Published 22 Oct 2026 ]
Vulnerability in Drupal SAML SSO - Service Provider
CVSS 4.8
EPSS <1%No fix listed yet
[ Description ]Official description
Improper Certificate Validation vulnerability in Drupal SAML SSO - Service Provider allows Adversary in the Middle (AiTM). This issue affects SAML SSO - Service Provider versions: from 0.0.0 to 3.2.0.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.