Patch nowWhy this label: added to the catalog 6 days ago

CVE-2026-96655Plex Media Server Server-Side Request Forgery (SSRF) Vulnerability

Product: Plex Media Server
Added to CISA KEV: October 20, 2026
Deadline for US federal agencies: November 3, 2026
Known ransomware use: Not known
EPSS, next 30 days: 1.6%, higher than 76% of scored CVEs (Oct 25, 2026)
Weakness: CWE-918 Server-Side Request Forgery (SSRF)

What CISA says

Plex Media Server contains a server-side request forgery (SSRF) vulnerability that could allow an authenticated user to request arbitrary internal or external addresses via the '/video/:/transcode/universal' path parameter. This vulnerability can be chained with CVE-2026-96652, CVE-2026-96654, and CVE-2026-96656.

What CISA asks you to do

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.

Sources

Also exploited recently

Data from CISA's Known Exploited Vulnerabilities catalog (public domain) and FIRST EPSS, refreshed hourly. Rheono did not find or test this vulnerability; this page summarizes public sources.