Description
An issue has been discovered in GitLab CE/EE affecting all versions before 16.9.6, all versions starting from 16.10 before 16.10.4, all versions starting from 16.11 before 16.11.1. Under certain conditions, an attacker through a crafted email address may be able to bypass domain based restrictions on an instance or a group.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| GitLab | GitLab | 0.0 – < 16.9.6, 16.10 – < 16.10.4, 16.11 – < 16.11.1 | 16.9.6 |
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 26.10 | gitlab-agent | No fix yet | — |
| Ubuntu 26.04 LTS | gitlab-agent | No fix yet | — |
| Ubuntu 25.10 | gitlab-agent | No fix yet | — |
| Ubuntu 24.04 LTS | gitlab-agent | No fix yet | — |
| Ubuntu 16.04 LTS | gitlab | No fix yet | — |
Advisories 1
- WID-SEC-2024-0973 GitLab: Mehrere Schwachstellen BSI CERT-Bund (WID) · Apr 24, 2024
References
- GitLab Issue #441093 issue-tracking permissions-required
- HackerOne Bug Bounty Report #2355565 technical-description exploit permissions-required