In all versions of GitLab CE/EE since version 10.6, a project export leaks the external webhook token value which may allow access to the project which it was exported from.
{
"versions": [
{
"introduced": "10.6.0"
},
{
"fixed": "14.1.7"
},
{
"introduced": "10.6.0"
},
{
"fixed": "14.1.7"
},
{
"introduced": "14.2.0"
},
{
"fixed": "14.2.5"
},
{
"introduced": "14.2.0"
},
{
"fixed": "14.2.5"
},
{
"introduced": "0"
},
{
"last_affected": "14.3.0"
},
{
"introduced": "0"
},
{
"last_affected": "14.3.0"
}
]
}