A blind SSRF vulnerability was identified in all versions of GitLab EE prior to 15.4.6, 15.5 prior to 15.5.5, and 15.6 prior to 15.6.1 which allows an attacker to connect to a local host.
https://hackerone.com/reports/1462437
https://gitlab.com/gitlab-org/gitlab/-/issues/353018
https://gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-4335.json