CVE-2026-96654
Plex Media Server URL injection
Plex·Media Server
- Added
- Oct 20, 2026
- Fix due
- Oct 23, 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 does not correctly neutralize URL values included in 'searchOne,' allowing an attacker to call other plugins' functions and supply their own parameters.
CWE-84Improper Neutralization of Encoded URI Schemes in a Web Page
Attack profile
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/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