CVE-2026-96655
Plex Media Server arbitrary-host SSRF
Plex·Media Server
- Added
- Oct 20, 2026
- Fix due
- Nov 3, 2026
- Ransomware
- Not known
- Published
- Sep 23, 2026
- Updated
- Oct 21, 2026
- First covered
- Oct 20, 2026
- Latest story
- 5 days ago
Summary
Plex Media Server before 1.43.3.10861 allows an authenticated user to request arbitrary internal or external addresses via the '/video/:/transcode/universal' path parameter.
CWE-918Server-Side Request Forgery (SSRF)
Attack profile
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:NCISA required action
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
Affected products
- Plex Media Serverbefore 1.43.3.10861