CVE-2026-96656
Plex Media Server External Control of File Name or Path Vulnerability
Plex Media Server
Exploitation status
CISA Known Exploited Vulnerabilities
Listed by CISA on 20 October 2026. US federal agencies were required to remediate it by 23 October 2026.
Frequently asked questions
Is CVE-2026-96656 being exploited by ransomware groups?
No ransomware group in this database is currently recorded as exploiting CVE-2026-96656.
What does CVE-2026-96656 affect?
CVE-2026-96656 affects Plex Media Server.
How severe is CVE-2026-96656?
It is listed in the CISA Known Exploited Vulnerabilities catalog, with a federal remediation deadline of 23 October 2026.
How should organisations respond to CVE-2026-96656?
Apply the vendor patch for Plex Media Server as the first priority, and treat any internet-facing instance as the most urgent. Because this vulnerability is associated with ransomware activity, also review whether the affected systems were reachable before patching, rather than assuming that patching alone closes the incident.