Nextcloud Server before 9.0.55 and 10.0.2 suffers from a bypass in the quota limitation. Due to not properly sanitizing values provided by the OC-Total-Length
HTTP header an authenticated adversary may be able to exceed their configured user quota. Thus using more space than allowed by the administrator.
[
{
"product": "Nextcloud Server",
"vendor": "Nextcloud",
"versions": [
{
"status": "affected",
"version": "All versions before 9.0.55 and 10.0.2"
}
]
}
]