Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.0 before 18.9.6, 18.10 before 18.10.4, and 18.11 before 18.11.1 that could have allowed an unauthenticated user to execute GraphQL mutations on behalf of authenticated users due to insufficient CSRF protection.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| GitLab | GitLab | 17.0 – < 18.9.6, 18.10 – < 18.10.4, 18.11 – < 18.11.1 | 18.9.6 |
Advisories 2
- NCSC-2026-0128 Kwetsbaarheden verholpen in GitLab EE en CE NCSC-NL (Netherlands) · Apr 23, 2026
- WID-SEC-2026-1245 GitLab: Mehrere Schwachstellen BSI CERT-Bund (WID) · Apr 22, 2026
References
- https://gitlab.com/gitlab-org/gitlab/-/work_items/594937
- HackerOne Bug Bounty Report #3627285 technical-description exploit permissions-required
- https://about.gitlab.com/releases/2026/04/22/patch-release-gitlab-18-11-1-released/