CVE-2025-34158
highpriority · track · 10EPSS 0.006 · 48 %ileexploit · PoCEUUSEPSS · scored 2026-10-27
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).
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
exploits (1)
Public proof-of-concept and weaponised exploit code.
affected products (1)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (26)
External citations — patches, advisories, analysis.
- https://forums.plex.tv/t/plex-media-server-security-update/928341cnnvd
- https://github.com/lufinkey/vulnerability-research/blob/main/CVE-2025-34158/README.mdcnnvd
- https://github.com/lufinkey/vulnerability-research/tree/main/CVE-2025-34158cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2025-34158cnnvd
- https://www.bleepingcomputer.com/news/security/plex-warns-users-to-patch-security-vulnerability-immediately/cnnvd
- https://www.plex.tv/media-server-downloads/cnnvd
- https://www.plex.tv/media-server-downloads/?cat=computer&plat=windowsPatchcnnvd
- https://www.runzero.com/blog/plex/cnnvd
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