## [悪用確認] CVE-2026-96656: Plex Media Server External Control of File Name or Path Vulnerability

- 種別: advisory
- 重大度: critical
- CVE: CVE-2026-96656
- 公開日時: 2026-10-20T00:00:00.000Z
- 情報源: CISA Known Exploited Vulnerabilities (https://nvd.nist.gov/vuln/detail/CVE-2026-96656)
- パーマリンク: https://vulnpulse.app/items/cisa-kev-cve-2026-96656

Plex Media Server
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.
対応: 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. (期限 2026-10-23)