CVE-2025-64178

Jellysweep (the Jellyfin cleanup tool) has an input validation flaw in the /api/images/cache endpoint: an unvalidated url parameter is passed directly to the cache library, allowing the server to fetch arbitrary content. Affected versions are 0.12.1 and earlier; authenticated users only can trigg...

CVE-2025-64178 Jellysweep uses uncontrolled data in image cache API endpoint

Jellysweep is a cleanup tool for the Jellyfin media server. In versions 0.12.1 and below, /api/images/cache, used to download media posters from the server, accepted a URL parameter that was directly passed to the cache package, which downloaded the poster from this URL. This URL parameter can be...

Jellysweep uses uncontrolled data in image cache API endpoint

Impact The /api/images/cache which is used to download media posters from the server accepted an url parameter, which was directly passed to the cache package and that downloaded the poster from this URL. This URL parameter can be used to make the jellysweep server download arbitrary content. The...