Description
GitLab has remediated an issue in GitLab EE affecting all versions from 17.4 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that under certain conditions could have allowed an authenticated to bypass a required merge request approval policy on a protected branch due to improper access control during approval rule synchronization.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| GitLab | GitLab | 17.4 – < 19.3.6, 19.4 – < 19.4.3, 19.5 – < 19.5.1 | 19.3.6 |
Advisories 2
- WID-SEC-2026-4115 GitLab: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 9, 2026
- NCSC-2026-0447 Kwetsbaarheden verholpen in GitLab door GitLab Inc. NCSC-NL (Netherlands) · Oct 22, 2026
References
- https://gitlab.com/gitlab-org/gitlab/-/work_items/604630
- HackerOne Bug Bounty Report #3797008 technical-description exploit permissions-required
- https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-5-1-released/