coldbraid

CVE-2026-96656 Plex Media Server

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…

CVSS
8.6 High
EPSS
1.8%
Percentile
79
Published
2026-09-23
Force
10 of 12
Public PoC
1

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CWE-73

On CISA’s exploited list

Plex Media Server External Control of File Name or Path Vulnerability

Added
2026-10-20
Federal patch deadline
2026-10-23
Ransomware use
not known