Vulnerability · Published Nov 6, 2025 · Assigned by GitHub_M
CVE-2025-64178Jellysweep uses uncontrolled data in image cache API endpoint
High 8.9
In plain English
A high-severity server-side request forgery in jellysweep from jon4hz. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 25% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
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 used to make the Jellysweep server download arbitrary content. The API endpoint can only be used by authenticated users. This issue is fixed in version 0.13.0.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Go | github.com/jon4hz/jellysweep | 0.13.0 | GHSA-xc93-q32j-cpcg |
| Go | github.com/jon4hz/jellysweep | 0.13.0 | GO-2025-4091 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| jon4hz | jellysweep | < 0.13.0 |
Weakness: CWE-918 · Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H