Lack of sand-boxing of OpenAPI documents in GitLab CE/EE affecting all versions from 12.6 prior to 15.3.5, 15.4 prior to 15.4.4, and 15.5 prior to 15.5.2 allows an attacker to trick a user to click on the Swagger OpenAPI viewer and issue HTTP requests that affect the victim's account.
https://hackerone.com/reports/1563383
https://gitlab.com/gitlab-org/gitlab/-/issues/362509
https://gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-3726.json