An issue has been discovered in GitLab CE/EE affecting all versions starting from 12.1 before 14.7.7, all versions starting from 14.8 before 14.8.5, all versions starting from 14.9 before 14.9.2 where a blind SSRF attack through the repository mirroring feature was possible.
https://hackerone.com/reports/1486659
https://gitlab.com/gitlab-org/gitlab/-/issues/354059
https://gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-1188.json