Description
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).
References (8)
Core 8
Core References
Various Sources
https://github.com/lufinkey/vulnerability-research/blob/main/CVE-2025-34158/README.md
Various Sources
https://www.bleepingcomputer.com/news/security/plex-warns-users-to-patch-security-vulnerability-immediately/
Various Sources
https://www.plex.tv/media-server-downloads/
Various Sources
https://www.runzero.com/blog/plex/
Third Party Advisory
https://www.tenable.com/plugins/nessus/250294
Third Party Advisory
https://www.vulncheck.com/advisories/plex-media-server-unspecified
Scores
CVSS v3
8.5
EPSS
0.0054
EPSS Percentile
40.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-669
Status
published
Products (1)
Plex/Media Server
1.41.7.x - 1.42.1
Published
Aug 21, 2025
Tracked Since
Feb 18, 2026