Description
An issue has been discovered in GitLab CE/EE affecting all versions from 17.2 before 17.11.5, 18.0 before 18.0.3, and 18.1 before 18.1.1 that could have allowed authenticated users with Guest role permissions to add child items to incident work items by sending crafted API requests that bypassed UI-enforced role restrictions.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| GitLab | GitLab | 17.2 – < 17.11.5, 18.0 – < 18.0.3, 18.1 – < 18.1.1 | 17.11.5 |
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-2025-1394 GitLab: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jun 24, 2025
References
- GitLab Issue #546282 issue-tracking permissions-required
- HackerOne Bug Bounty Report #3163037 technical-description exploit permissions-required