alert http $EXTERNAL_NET any -> $HTTP_SERVERS $HTTP_PORTS (msg:"VEDAS CVE-2026-96656 Plex Media Server - Arbitrary File Write via TranscoderH264Options Preference"; flow:established,to_server; http.method; content:"PUT"; http.uri; content:"/:/prefs"; nocase; fast_pattern; content:"TranscoderH264Options="; nocase; classtype:web-application-attack; reference:cve,CVE-2026-96656; reference:url,https://www.exploit.observer/?keyword=CVE-2026-96656&match=exact; reference:url,https://subdomain.center/?engine=ammonites&keyword=plex&match=exact; sid:1099800; rev:1;)