HOOG · CVSS 8.6
ACTIEF MISBRUIKT
PATCH BESCHIKBAAR
CVE-2026-96656: Plex Media Server External Control of File Name or Path Vulnerability
| Leverancier | Plex |
|---|---|
| Product | Media Server |
| CVSS-score | 8.6 · CVSS 4.0 · HOOGCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
| EPSS | 1,8% (percentiel 78) |
| Actief misbruikt | Ja |
| Toegevoegd aan CISA KEV | 20 okt 2026 |
| CISA-deadline (Amerikaanse overheid) | 23 okt 2026 |
| Zwakte (CWE) | CWE-73 |
| Gepubliceerd in NVD | 23 sep 2026 |
| Laatst gewijzigd in NVD | 21 okt 2026 |
| NVD-status | Analyzed |
Getroffen versies
| Product | Getroffen versies | Opgelost in |
|---|---|---|
| Plex Media Server | vóór 1.43.3.10861 | 1.43.3.10861 |
Vereiste actie (tekst van CISA, Engels)
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.
Beschrijving (NVD, Engels)
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.
BRONNEN
Andere lekken bij Plex
- CVE-2026-96655: Plex Media Server Server-Side Request Forgery (SSRF) Vulnerability
- CVE-2026-96654: Plex Media Server Improper Neutralization of Encoded URI Schemes in a Web Page Vulnerability
- CVE-2026-96652: Plex Media Server Server-Side Request Forgery (SSRF) Vulnerability
- CVE-2020-5741: Plex Media Server Remote Code Execution Vulnerability
Gegevens van NVD, CISA KEV, FIRST EPSS en adviezen van leveranciers. Bijgewerkt 21 okt 2026.