Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.4.6 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that under certain conditions could have allowed an unauthenticated user to cause denial of service due to improper resource allocation limits in the GraphQL complexity calculation logic.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| GitLab | GitLab | 18.4.6 – < 19.1.8, 19.2 – < 19.2.6, 19.3 – < 19.3.2 | 19.1.8 |
Advisories 1
- WID-SEC-2026-3315 GitLab: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 29, 2026
References
- HackerOne Bug Bounty Report #3461590 technical-description exploit permissions-required
- https://gitlab.com/gitlab-org/gitlab/-/work_items/586586
- https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-3-2-released/