CVE-2026-96656Plex Media Server arbitrary file write
Aktif olarak istismar ediliyor — Plex Media Server External Control of File Name or Path Vulnerability
CISA bu açığın gerçek saldırılarda kullanıldığını 20.10.2026 tarihinde doğruladı. ABD federal kurumları için düzeltme son tarihi: 23.10.2026.
Gerekli işlem: 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. https://forums.plex.tv/t/important-security-update-for-plex-media-server-v1-43-2-and-earlier/942319 ; ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-96656
Açıklama
Plex Media Server before 1.43.3.10861 allows an admin user to write arbitrary files that may be executed on load. The preference TranscoderH264Options is appended verbatim to x264's option string on every transcode. At startup, all .so files are run without signature, execute bit, or symbol checks.
Veri: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Bilgiler kaynaktaki haliyle, İngilizce yayımlanır.
Etkilenen ürünler ve sürümler
| Üretici | Ürün | Sürümler | |
|---|---|---|---|
| Plex | Media Server | < 1.43.3.10861, fixed 1.43.3.10861 |
Kaynaklar ve yamalar
- url release-notesRelease Notes
- url vdb-entryThird Party AdvisoryVDB Entry
- url third-party-advisoryThird Party Advisory
- url third-party-advisoryThird Party Advisory
- https://www.boredhackerblog.info/2026/10/plex-vulnerabilities-being-exploited-in.html Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-96656 US Government Resource
CPE eşleşmeleri (NVD) (1)
cpe:2.3:a:plex:media_server:*:*:*:*:*:*:*:*< 1.43.3.10861