An issue has been discovered in GitLab CE/EE affecting all versions starting from 12.6 before 15.2.5, all versions starting from 15.3 before 15.3.4, all versions starting from 15.4 before 15.4.1. A malicious maintainer could exfiltrate a GitHub integration's access token by modifying the integration URL such that authenticated requests are sent to an attacker controlled server.
| Software | From | Fixed in |
|---|---|---|
| gitlab / gitlab | 15.4 | 15.4.1 |
| gitlab / gitlab | 15.3 | 15.3.4 |
| gitlab / gitlab | 12.6.0 | 15.2.5 |