CVE-2026-12910

Summary

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.6 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that under certain conditions could have allowed an authenticated user to bypass SAML SSO sign-in restrictions and authenticate without SSO due to missing authentication enforcement checks.

Affected Software

VendorProductVersion RangeStatus
GitLabGitLab18.6 < 19.1.8affected
GitLabGitLab19.2 < 19.2.6affected
GitLabGitLab19.3 < 19.3.2affected

Weaknesses

  • CWE-306: CWE-306: Missing Authentication for Critical Function

References