Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.9 before 18.9.2 that could have allowed an unauthenticated user to cause a denial of service by sending specially crafted GraphQL requests due to uncontrolled recursion under certain circumstances.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| GitLab | GitLab | 18.9 – < 18.9.2 | 18.9.2 |
Advisories 2
- NCSC-2026-0093 Kwetsbaarheden verholpen in GitLab NCSC-NL (Netherlands) · Mar 12, 2026
- WID-SEC-2026-0697 GitLab: Mehrere Schwachstellen BSI CERT-Bund (WID) · Mar 11, 2026
References
- HackerOne Bug Bounty Report #3483687 technical-description exploit permissions-required
- https://gitlab.com/gitlab-org/gitlab/-/work_items/586474
- https://about.gitlab.com/releases/2026/03/11/patch-release-gitlab-18-9-2-released/