CVE-2025-34158
- State
- Published
- Severity
- 8.5 High
- Published
- Aug 21, 2025
- Updated
- Jan 2, 2026
- Reserved
- Apr 15, 2025
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).
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 8.5 High | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N | mitre |
Weaknesses
- CWE-669 Incorrect Resource Transfer Between Spheres
Affected Products
| Product | Versions |
|---|---|
Media ServerPlex |
|
References
- https://www.plex.tv/media-server-downloads/
- https://forums.plex.tv/t/plex-media-server-security-update/928341
- https://www.bleepingcomputer.com/news/security/plex-warns-users-to-patch-security-vulnerability-immediately/
- https://www.runzero.com/blog/plex/
- https://www.tenable.com/plugins/nessus/250294
- https://www.vulncheck.com/advisories/plex-media-server-unspecified
- https://github.com/lufinkey/vulnerability-research/tree/main/CVE-2025-34158
- https://github.com/lufinkey/vulnerability-research/blob/main/CVE-2025-34158/README.md
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