Jenkins before versions 2.44, 2.32.2 is vulnerable to an information exposure in the internal API that allows access to item names that should not be visible (SECURITY-380). This only affects anonymous users (other users legitimately have access) that were able to get a list of items via an UnprotectedRootAction.
{
"versions": [
{
"introduced": "0"
},
{
"fixed": "2.32.2"
},
{
"introduced": "0"
},
{
"fixed": "2.44"
}
]
}