Security Advisory
CVE-2025-12653
6.5
MEDIUM
Vulnerability Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.3 before 18.4.5, 18.5 before 18.5.3, and 18.6 before 18.6.1 that under specific conditions could have allowed an unauthenticated user to join arbitrary organizations by changing headers on some requests.
Published Date
November 26, 2025
Official Source
NIST NVD Advisory