CVE-2026-96654
Plex Media Server
Published 23 Sept 2026 · updated 20 Oct 2026 · Modified
Exploited in the wild
CISA added this to its Known Exploited Vulnerabilities catalog on 20 Oct 2026, with a remediation deadline of 23 Oct 2026 for US federal agencies.
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.
Description
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.
References
- forums.plex.tv/t/plex-media-server/30447/711 · Release Notes
- raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-266-01.json · Third Party Advisory
- www.cve.org/CVERecord?id=CVE-2026-96654 · Third Party Advisory, VDB Entry
- zmain.info/blog/plex2shell · Third Party Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-96654