GitLab EE/CE 8.11 through 12.9.1 allows blocked users to pull/push docker images.
{ "cpes": [ "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*", "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*" ], "severity": "Medium" }