Jenkins 2.393 and earlier, LTS 2.375.3 and earlier shows temporary directories related to job workspaces, which allows attackers with Item/Workspace permission to access their contents.
{
"versions": [
{
"introduced": "0"
},
{
"fixed": "2.375.4"
},
{
"introduced": "0"
},
{
"fixed": "2.394"
}
]
}