Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.10 before 18.8.7, 18.9 before 18.9.3, and 18.10 before 18.10.1 that could have allowed an unauthenticated user to execute arbitrary GraphQL mutations on behalf of authenticated users due to insufficient CSRF protection.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| GitLab | GitLab | 17.10 – < 18.8.7, 18.9 – < 18.9.3, 18.10 – < 18.10.1 | 18.8.7 |
Advisories 2
- NCSC-2026-0103 Kwetsbaarheden verholpen in GitLab NCSC-NL (Netherlands) · Mar 26, 2026
- WID-SEC-2026-0847 GitLab: Mehrere Schwachstellen BSI CERT-Bund (WID) · Mar 25, 2026
References
- https://gitlab.com/gitlab-org/gitlab/-/work_items/592828
- HackerOne Bug Bounty Report #3584382 technical-description exploit permissions-required
- https://about.gitlab.com/releases/2026/03/25/patch-release-gitlab-18-10-1-released/