Exploitation active confirmée

Ajoutée au catalogue CISA KEV le 20/10/2026, correctif exigé avant le 23/10/2026 pour les agences fédérales américaines.

Action requise : 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 officielle (NVD)

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.

Références

https://forums.plex.tv/t/plex-media-server/30447/711 , Release Notes
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-266-01.json , Third Party Advisory
https://www.cve.org/CVERecord?id=CVE-2026-96654 , Third Party Advisory, VDB Entry
https://zmain.info/blog/plex2shell , Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-96654 , US Government Resource

En bref

Éditeur	Plex
Produit	Media Server
Publiée le	23/09/2026
Modifiée le	21/10/2026
CVSS	6.9 (v4.0)
EPSS	0,47 % (centile 39)
CWE	CWE-84

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS : probabilité estimée d'exploitation dans les 30 prochains jours.