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CVE-2026-96656

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This is a free service offered by Red Hot Cyber to the community. It allows you to view, on a single page, information about a single CVE from the National Vulnerability Database (NVD) and the National Institute of Standards and Technology (NIST) of the United States of America, the Forum of Incident Response and Security Teams (FIRST) regarding the EPSS score and percentile, data from the KEV catalog of the Cybersecurity and Infrastructure Security Agency (CISA), as well as selected resources from Red Hot Cyber and other international sources.

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FIRST Information

EPSS Score: 0.0179

The EPSS (Exploit Prediction Scoring System) is a score from 0 to 1 that indicates the probability that a vulnerability will be exploited in the real world in the next 30 days. A higher value indicates a greater likelihood of exploitation.

Value
0.00.250.50.751.0

Percentile: 0.7865

The Percentile indicates how much higher this vulnerability's EPSS score is compared to all other vulnerabilities in the EPSS database. For example, a percentile of 0.90 (90%) means that 90% of vulnerabilities have an EPSS score equal to or lower than the current one.

Value
0.00.250.50.751.0

*Data updated as of: 2026-11-13


CISA Information (Known Exploited Vulnerabilities)

The CISA KEV Catalog lists vulnerabilities that have been actively exploited in the real world. If a CVE is present in this catalog, it indicates that the threat is immediate and mitigation should be a top priority.

CVE CVE-2026-96656 IS PRESENT in the CISA KEV Catalog!

  • Vulnerability Name: Plex Media Server External Control of File Name or Path Vulnerability
  • Short Description: Plex Media Server contains an external control of file name or path vulnerability which can allow an admin user to write arbitrary files that may be executed on load. This vulnerability can be chained with CVE-2026-96652, CVE-2026-96654, and CVE-2026-96655.
  • Date Added to KEV: 10/20/2026
  • Vendor/Product: Plex / Media Server
  • 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.
  • Due Date: 10/23/2026

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Exploit PoC from GitHub

  • code-zm/plex2shell: CVE-2026-96652 CVE-2026-96654 CVE-2026-96655 CVE-2026-96656
  • gmh5225/plex2shell: CVE-2026-96652 CVE-2026-96654 CVE-2026-96655 CVE-2026-96656
  • ChrisLPJones/plex2shell-check: Read-only Linux check for Plex2Shell (CVE-2026-96652/-96654/-96655/-96656) exploitation and the XMRig/proxy payloads seen in the wild
  • a3igner/plex-codec-cache-implant: Incident write-up: unsigned .so in the Plex Media Server codec cache executes a dropper on every transcode (CVE-2026-96656) — IOCs, STIX, YARA
  • SHIFox8/plex2shell-audit: Read-only audit tool for the actively-exploited Plex2Shell exploit chain (CVE-2026-96652/-96654/-96655/-96656, fixed in Plex Media Server 1.43.3.10861). Remote version check + local IoC scan. Stdlib-only Python.