A business logic error in GitLab CE/EE affecting all versions starting from 12.1 prior to 17.10.7, 17.11 prior to 17.11.3 and 18.0 prior to 18.0.1 where an attacker can cause a branch name confusion in confidential MRs.
| Software | From | Fixed in |
|---|---|---|
| gitlab / gitlab | 18.0.0 | 18.0.0.x |
| gitlab / gitlab | 17.11.0 | 17.11.3 |
| gitlab / gitlab | 12.1.0 | 17.10.7 |