An issue has been discovered in GitLab affecting all versions starting from 13.4. Improper access control allows unauthorized users to access details on analytic pages.
https://hackerone.com/reports/1064645
https://gitlab.com/gitlab-org/gitlab/-/issues/295662
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22180.json