GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4 that could have allowed an unauthenticated user to steal tokens and access private repositories by abusing incomplete validation in the Web IDE.
Credits
Thanks [cav0ur](https://hackerone.com/cav0ur) for reporting this vulnerability through our HackerOne bug bounty program
