CVE-2025-64178

Jellysweep uses uncontrolled data in image cache API endpoint

Published Nov 6, 2025 CVSS 4.0 · 8.9 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-xc93-q32j-cpcg Jellysweep uses uncontrolled data in image cache API endpoint
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Jellysweep Project
Jellysweep Project jellysweep
Vendors & Products Jellysweep Project
Jellysweep Project jellysweep
Type Values Removed Values Added
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.
Title Jellysweep uses uncontrolled data in image cache API endpoint
Weaknesses CWE-918
References
Metrics cvssV4_0

{'score': 8.9, '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Nov 7, 2025, 2:59 PM
Reserved
Oct 28, 2025, 9:07 PM
Status
Deferred
Published
Nov 6, 2025, 10:15 PM
Modified
Jun 17, 2026, 9:53 AM