An issue has been discovered in GitLab CE/EE affecting all versions starting from 16.3 before 17.4.2, all versions starting from 17.5 before 17.5.4, all versions starting from 17.6 before 17.6.2. This issue allows an attacker to create a group with a name matching an existing unique Pages domain, potentially leading to domain confusion attacks.
| Software | From | Fixed in |
|---|---|---|
| gitlab / gitlab | 16.3.0 | 17.4.2 |
| gitlab / gitlab | 17.6.0 | 17.6.2 |
| gitlab / gitlab | 17.5.0 | 17.5.4 |