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 unauthenticated attackers to upload arbitrary files to public projects by sending crafted API requests, potentially leading to resource abuse and unauthorized content storage.
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 #521619 issue-tracking permissions-required
- HackerOne Bug Bounty Report #3009067 technical-description exploit permissions-required