An issue has been discovered in GitLab CE/EE affecting all versions starting with 12.6. Under a special condition it was possible to access data of an internal repository through a public project fork as an anonymous user.
| Software | From | Fixed in |
|---|---|---|
| gitlab / gitlab | 13.9.0 | 13.9.5 |
| gitlab / gitlab | 13.10.0 | 13.10.0.x |
| gitlab / gitlab | 12.6.0 | 13.8.7 |