Improper authorization in GitLab Pages included with GitLab CE/EE affecting all versions from 11.5 prior to 14.7.7, 14.8 prior to 14.8.5, and 14.9 prior to 14.9.2 allowed an attacker to steal a user's access token on an attacker-controlled private GitLab Pages website and reuse that token on the victim's other private websites
https://hackerone.com/reports/1439552
https://gitlab.com/gitlab-org/gitlab/-/issues/350687
https://gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-1148.json