Description
An issue was discovered in GitLab CE/EE affecting all versions starting from 16.4 prior to 17.5.5, starting from 17.6 prior to 17.6.3, and starting from 17.7 prior to 17.7.1. When a user is created via the SAML provider, the external groups setting overrides the external provider configuration. As a result, the user may not be marked as external thereby giving those users access to internal projects or groups.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| GitLab | GitLab | 16.4 – < 17.5.5, 17.6 – < 17.6.3, 17.7 – < 17.7.1 | 17.5.5 |
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-2025-0033 GitLab: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jan 27, 2025