Description
A vulnerability has been discovered in GitLab CE/EE affecting all versions starting with 16.8 before 18.5.0 that could have allowed unauthorized edits to merge request approval rules under certain conditions.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| GitLab | GitLab | 16.8 – < 18.5.0 | 18.5.0 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | gitlab | No fix yet | — |
Advisories 1
- WID-SEC-2026-0286 GitLab: Schwachstelle ermöglicht Manipulation von Dateien BSI CERT-Bund (WID) · Feb 2, 2026
References
- GitLab Issue #519340 issue-tracking permissions-required
- HackerOne Bug Bounty Report #2980839 technical-description exploit permissions-required