CVE-2025-64178
High
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.
SeverityHigh
CVSS8.9
Exploit probability—
ProductGithub.com/jon4hz/jellysweep
PublishedNov 6, 2025
First seenNov 6, 2025
Weakness typeCWE-918Server-side request forgery (SSRF)
How to fix
Update
- github.com/jon4hz/jellysweep0.13.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| github.com/jon4hz/jellysweepGo | v < 0.13.0 | 0.13.0 |
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