A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. GitLab was not validating a Deploy-Token and allowed a disabled repository be accessible via a git command line.
https://hackerone.com/reports/884174
https://gitlab.com/gitlab-org/gitlab/-/issues/220137
https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13316.json