Description
An issue has been discovered in GitLab affecting all versions before 16.0.8, all versions starting from 16.1 before 16.1.3, all versions starting from 16.2 before 16.2.2. The main branch of a repository with a specially designed name allows an attacker to create repositories with malicious code.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| GitLab | GitLab | < 16.0.8, 16.1.0 – < 16.1.3, 16.2.0 – < 16.2.2 | 16.0.8 |
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 2
- WID-SEC-2023-3041 GitLab: Mehrere Schwachstellen BSI CERT-Bund (WID) · Feb 3, 2026
- WID-SEC-2023-1945 GitLab: Mehrere Schwachstellen BSI CERT-Bund (WID) · Aug 2, 2023
References
- GitLab Issue #416252 issue-tracking
- HackerOne Bug Bounty Report #2031845 technical-description exploit permissions-required broken-link