Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 16.1.0 before 18.9.6, 18.10 before 18.10.4, and 18.11 before 18.11.1 that under certain conditions could have allowed an unauthenticated user to access tokens in the Storybook development environment due to improper input validation.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| GitLab | GitLab | 16.1.0 – < 18.9.6, 18.10 – < 18.10.4, 18.11 – < 18.11.1 | 18.9.6 |
Advisories 2
- NCSC-2026-0128 Kwetsbaarheden verholpen in GitLab EE en CE NCSC-NL (Netherlands) · Apr 23, 2026
- WID-SEC-2026-1245 GitLab: Mehrere Schwachstellen BSI CERT-Bund (WID) · Apr 22, 2026
References
- https://gitlab.com/gitlab-org/gitlab/-/work_items/595332
- HackerOne Bug Bounty Report #3574642 technical-description exploit permissions-required
- https://about.gitlab.com/releases/2026/04/22/patch-release-gitlab-18-11-1-released/