CVE-2025-34158
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.56%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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).
- CVSS 3.1
- 8.5 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
- EPSS
- 0.56% probability · 45th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-669
- Source
- cve@mitre.org
References
- https://forums.plex.tv/t/plex-media-server-security-update/928341
- https://github.com/lufinkey/vulnerability-research/blob/main/CVE-2025-34158/README.md
- https://github.com/lufinkey/vulnerability-research/tree/main/CVE-2025-34158
- https://www.bleepingcomputer.com/news/security/plex-warns-users-to-patch-security-vulnerability-immediately/
- https://www.plex.tv/media-server-downloads/
- https://www.runzero.com/blog/plex/
- https://www.tenable.com/plugins/nessus/250294
- https://www.vulncheck.com/advisories/plex-media-server-unspecified
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.