CVE-2026-96652

MEDIUM CISA KEV

Plex Media Server before 1.43.3.10861 allows SSRF via '/player/timeline'. An attacker using any X-Plex-Token value can include a full URL in the 'protocol' parameter and force the Plex server to POST to the attacker's chosen destination.

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

CWE-918

CVSS Metrics

CVSSv3

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

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

Affected Products (1)

Vendor	Product	Version
plex	media_server	* < 1.43.3.10861

GitHub Security Advisory GHSA-5p7w-r379-3c2m

Plex Media Server before 1.43.3.10861 allows SSRF via '/player/timeline'. An attacker using any X...

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-2026-96652 Third Party Advisory, VDB Entry
https://zmain.info/blog/plex2shell Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-96652 US Government Resource

Risk Scores

CVSS Score 4.3 / 10

EPSS Score 1.82%

Top 21% most likely to be exploited

Threat Score 47.7 / 100

CISA Known Exploited

Date Added: 2026-10-20

Due Date: 2026-11-03

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