CVE-2026-16639

CRITICAL CVSS 9.8 View on NVD ↗

Description

Authentication Bypass Using an Alternate Path or Channel vulnerability in Drupal Internationalization Single Sign-On allows Authentication Bypass. This issue affects Internationalization Single Sign-On versions: from 0.0.0 to 1.8.0.

CVSS Vector

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

References

https://www.drupal.org/sa-contrib-2026-081

Published: Aug 25, 2026 23:16 UTC Modified: Aug 26, 2026 16:16 UTC