A vulnerability in GitLab CE/EE affecting all versions from 11.10 prior to 15.1.6, 15.2 to 15.2.4, 15.3 to 15.3.2 allows an authenticated user to achieve remote code execution via the Import from GitHub API endpoint.
Credits
Thanks [vakzz](https://hackerone.com/vakzz) for reporting this vulnerability through our HackerOne bug bounty program