CVE-2026-96654: media server before 1.43.0.10861 (exclusive); +1 more affected products

CVE-2026-96654 affects Plex Media Server. CVSS 3.1 base score 6.5 (MEDIUM, Source advisory). EPSS 0.00227 (percentile 0.12576), scored 20-Oct-2026. Listed in CISA KEV, added 20-Oct-2026.

Affected technology

media server · before 1.43.0.10861 (exclusive)
plex

Media Server · 0 to before 1.43.3.10861
Plex

Description’s affected range: before 1.43.3.10861 does not correctly neutralize URL values included in 'searchOne

Component: Not specified by the source

Attack conditions (Source advisory, CVSS 4.0): Network (remote) · No privileges required · No user interaction required

What an attacker can do

An attacker can call other plugins' functions and supply their own parameters. Source advisory’s CVSS 4.0 assessment (base score 6.9/10) rates confidentiality and integrity impact as low; availability impact as none.

Published 20-Oct-2026 21:22 UTC

CWE: CWE-84
Vendor: Plex
Product: Media Server
CCR priority: 80.0 /100 (P1)
CVSS 3.1: 6.5 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N · Source advisory
EPSS: 0.00227 · percentile 0.12576 · 2026-10-20
KEV: yes · added 2026-10-20 · due 2026-10-23
Exploit signals: CISA KEV listing.

Required action — CISA

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.

Provenance

CISA Known Exploited Vulnerabilities Catalog (JSON) · Source record · observed 2026-10-20 22:45:07.697411+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-20 21:22:07.084487+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-96654.html