AIKIDO-2026-960548
gitlab-ce is vulnerable to Improper Authentication
54
Medium Risk
This Affects:
gitlab-ceTL;DR
SAML SSO sign-in restriction enforcement misses required authentication checks in some flows. An authenticated user can bypass those SSO restrictions and authenticate without SSO. The fix enforces the SAML SSO checks on the affected sign-in paths.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range and enforce SAML SSO sign-in restrictions.
Background info
gitlab-ce is vulnerable to Improper Authentication in versions 18.6.0 - 19.1.7, 19.2.0 - 19.2.5 and 19.3.0 - 19.3.1.
How to fix this
Upgrade the gitlab-ce library to the patch version.
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