GitLab 10.8 through 12.9 has a vulnerability that allows someone to mirror a repository even if the feature is not activated.
{
"cpes": [
"cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
"cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*"
],
"severity": "Medium"
}