Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.5 before 18.11.6, 19.0 before 19.0.3, and 19.1 before 19.1.1 that under certain conditions could have allowed an unauthenticated user to view confidential issue references on public projects due to improper authorization checks.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| GitLab | GitLab | 17.5 – < 18.11.6, 19.0 – < 19.0.3, 19.1 – < 19.1.1 | 18.11.6 |
Advisories 2
- NCSC-2026-0211 Kwetsbaarheden verholpen in GitLab Community Edition en Enterprise Edition NCSC-NL (Netherlands) · Jun 25, 2026
- WID-SEC-2026-2070 GitLab CE/EE: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jun 24, 2026
References
- HackerOne Bug Bounty Report #3543011 technical-description exploit permissions-required
- https://gitlab.com/gitlab-org/gitlab/-/work_items/589186
- https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-1-1-released/