CVE-2025-34158

8.5 HIGH
Published: August 21, 2025 Modified: January 02, 2026
View on NVD

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).

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://forums.plex.tv/t/plex-media-server-security-update/928341
Source: cve@mitre.org
https://github.com/lufinkey/vulnerability-research/blob/main/CVE-2025-34158/README.md
Source: cve@mitre.org
https://github.com/lufinkey/vulnerability-research/tree/main/CVE-2025-34158
Source: cve@mitre.org
https://www.bleepingcomputer.com/news/security/plex-warns-users-to-patch-security-vulnerability-immediately/
Source: cve@mitre.org
https://www.plex.tv/media-server-downloads/
Source: cve@mitre.org
https://www.runzero.com/blog/plex/
Source: cve@mitre.org
https://www.tenable.com/plugins/nessus/250294
Source: cve@mitre.org
https://www.vulncheck.com/advisories/plex-media-server-unspecified
Source: cve@mitre.org

8 reference(s) from NVD

Quick Stats

CVSS v3 Score
8.5 / 10.0
EPSS (Exploit Probability)
0.1%
20th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-669

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