CVE-2026-96654

MEDIUM CISA KEV

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.

Published: Sep 23, 2026 Modified: Oct 21, 2026

CWE-84

CVSS Metrics

CVSSv3

Attack Vector: NETWORK Attack Complexity: LOW Privileges Required: NONE User Interaction: NONE Scope: UNCHANGED Confidentiality Impact: LOW Integrity Impact: LOW Availability Impact: NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Affected Products (1)

Vendor	Product	Version
plex	media_server	* < 1.43.3.10861

GitHub Security Advisory GHSA-3j7c-jr86-m5jq

Plex Media Server before 1.43.3.10861 does not correctly neutralize URL values included in ...

References (5)

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

Risk Scores

CVSS Score 6.5 / 10

EPSS Score 1.95%

Top 20% most likely to be exploited

Threat Score 56.6 / 100

CISA Known Exploited

Date Added: 2026-10-20

Due Date: 2026-10-23

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.

Data Sources

NVD CISA KEV EPSS GitHub