An issue has been discovered in GitLab affecting all versions starting from 12.6 before 14.8.6, all versions starting from 14.9 before 14.9.4, all versions starting from 14.10 before 14.10.1. GitLab was not correctly authenticating a user that had some certain amount of information which allowed an user to authenticate without a personal access token.
https://hackerone.com/reports/1070097
https://gitlab.com/gitlab-org/gitlab/-/issues/296866
https://gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-1426.json