An issue has been discovered in GitLab CE/EE affecting all versions starting with 12.6. Under a special condition it was possible to access data of an internal repository through a public project fork as an anonymous user.
{
"versions": [
{
"introduced": "12.6.0"
},
{
"fixed": "13.8.7"
},
{
"introduced": "12.6.0"
},
{
"fixed": "13.8.7"
},
{
"introduced": "13.9.0"
},
{
"fixed": "13.9.5"
},
{
"introduced": "13.9.0"
},
{
"fixed": "13.9.5"
},
{
"introduced": "0"
},
{
"last_affected": "13.10.0"
},
{
"introduced": "0"
},
{
"last_affected": "13.10.0"
}
]
}