Description
An issue has been discovered in GitLab CE/EE affecting all versions before 18.1.5, 18.2 before 18.2.5, and 18.3 before 18.3.1 that under certain conditions could have allowed an authenticated attacker to distribute malicious code that appears harmless in the web interface by taking advantage of ambiguity between branches and tags during repository imports.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| GitLab | GitLab | < 18.1.5, 18.2 – < 18.2.5, 18.3 – < 18.3.1 | 18.1.5 |
Advisories 1
- WID-SEC-2025-1916 GitLab: Mehrere Schwachstellen BSI CERT-Bund (WID) · Aug 27, 2025
References
- GitLab Issue #545165 issue-tracking permissions-required
- HackerOne Bug Bounty Report #3124199 technical-description exploit permissions-required