plex media-server CVE-2025-34158 is a vulnerability in Plex Media Server
Published on August 21, 2025

Plex Media Server (PMS) 1.41.7.x through 1.42.0.x before 1.42.1 is affected by incorrect resource transfer between spheres because /myplex/account provides the credentials of the server owner (and a /api/resources call reveals other servers accessible by that server owner).

NVD

Weakness Type

Incorrect Resource Transfer Between Spheres

The product does not properly transfer a resource/behavior to another sphere, or improperly imports a resource/behavior from another sphere, in a manner that provides unintended control over that resource.


Products Associated with CVE-2025-34158

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Affected Versions

Plex Media Server:

Exploit Probability

EPSS
0.03%
Percentile
6.96%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.