An issue has been discovered in GitLab EE affecting all versions from 18.1 before 18.3.6, 18.4 before 18.4.4, and 18.5 before 18.5.2 that, under certain circumstances, could have allowed an attacker to remove Duo flows of another user.
Credits
This vulnerability has been discovered internally by GitLab team member [Dylan Griffith](https://gitlab.com/DylanGriffith).