A logic error in Nextcloud Server 19.0.0 caused a privilege escalation allowing malicious users to reshare with higher permissions than they got assigned themselves.
{
"versions": [
{
"introduced": "0"
},
{
"last_affected": "19.0.0-NA"
},
{
"introduced": "0"
},
{
"last_affected": "33"
}
]
}