An issue has been discovered in GitLab CE/EE affecting all versions starting from 13.11 before 13.11.7, all versions starting from 13.12 before 13.12.8, and all versions starting from 14.0 before 14.0.4. A specially crafted design image allowed attackers to read arbitrary files on the server.
Credits
Thanks [vakzz](https://hackerone.com/vakzz) for reporting this vulnerability through our HackerOne bug bounty program