In all versions of GitLab CE/EE, provided a user ID, anonymous users can use a few endpoints to retrieve information about any GitLab user.
{
"versions": [
{
"introduced": "1.0.0"
},
{
"fixed": "14.1.7"
},
{
"introduced": "1.0.0"
},
{
"fixed": "14.1.7"
},
{
"introduced": "14.2"
},
{
"fixed": "14.2.5"
},
{
"introduced": "14.2"
},
{
"fixed": "14.2.5"
}
]
}