Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.4 before 18.4.6, 18.5 before 18.5.4, and 18.6 before 18.6.2 that, under certain conditions could have allowed an authenticated user to perform unauthorized actions on behalf of another user by creating wiki pages with malicious content.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| GitLab | GitLab | 18.4 – < 18.4.6, 18.5 – < 18.5.4, 18.6 – < 18.6.2 | 18.4.6 |
Advisories 2
- WID-SEC-2025-2822 GitLab: Mehrere Schwachstellen BSI CERT-Bund (WID) · Dec 11, 2025
- NCSC-2025-0390 Kwetsbaarheden verholpen in GitLab CE/EE NCSC-NL (Netherlands) · Dec 11, 2025
References
- GitLab Issue #579548 issue-tracking permissions-required
- HackerOne Bug Bounty Report #3405832 technical-description exploit permissions-required
- https://about.gitlab.com/releases/2025/12/10/patch-release-gitlab-18-6-2-released/