GitLab EE/CE 8.0.rc1 to 12.9 is vulnerable to a blind SSRF in the FogBugz integration.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2020-3379
https://about.gitlab.com/releases/categories/releases/
https://about.gitlab.com/releases/2020/03/26/security-release-12-dot-9-dot-1-released/