Plex Product Security Update Advisory (CVE-2025-34158)

Overview

 

We have released security updates to fix vulnerabilities in Plex products. We encourage affected product users to update to the latest version.
 

 

Affected Products

 

CVE-2025-34158

 

Plex Media Server Versions: 1.41.7.x and later and 1.42.0.x and earlier

 

 

Resolved Vulnerabilities

 

Vulnerability due to insecure passing of resources between zones and improper input validation in Plex Media Server (CVE-2025-34158)

 

 

Vulnerability Patches

Vulnerability patches have been made available in the latest updates. Please follow the instructions on the Referenced Sites to update to the latest Vulnerability Patches version.

 

CVE-2025-34158

 

Plex Media Server Version: 1.42.1

 

 

References

 

[1] Plex Media Server – Security Update
https://forums.plex.tv/t/plex-media-server-security-update/928341