Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 19.0 before 19.2.7, 19.3 before 19.3.3, and 19.4 before 19.4.1 that under certain conditions could have allowed an authenticated user to read private child issue contents, including titles and descriptions, from projects they had no access to, due to missing authorization checks on linked work items within visible epics.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| GitLab | GitLab | 19.0 – < 19.2.7, 19.3 – < 19.3.3, 19.4 – < 19.4.1 | 19.2.7 |
Advisories 1
- WID-SEC-2026-3556 GitLab: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 9, 2026
References
- https://gitlab.com/gitlab-org/gitlab/-/work_items/600533
- HackerOne Bug Bounty Report #3702369 technical-description exploit permissions-required
- https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-1-released/