An issue has been discovered in GitLab CE/EE affecting all versions starting from 11.0 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2. A permissions validation flaw allowed group members with a developer role to elevate their privilege to a maintainer on projects they import
https://hackerone.com/reports/1256017
https://gitlab.com/gitlab-org/gitlab/-/issues/336531
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39944.json