CVE-2025-34158HIGH 8.5EPSS p41.0%

CVE-2025-34158CVE-2025-34158

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).

Scoring

CVSS 3.18.5 (HIGH)
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
EPSS0.54% probability of exploitation · percentile 41.0% · 2026-06-19T12:03:05Z
Published2025-08-21
Last modified2026-04-15

Underlying weaknesses· 1

CWE-669

References

  1. https://forums.plex.tv/t/plex-media-server-security-update/928341
  2. https://github.com/lufinkey/vulnerability-research/blob/main/CVE-2025-34158/README.md
  3. https://github.com/lufinkey/vulnerability-research/tree/main/CVE-2025-34158
  4. https://www.bleepingcomputer.com/news/security/plex-warns-users-to-patch-security-vulnerability-immediately/
  5. https://www.plex.tv/media-server-downloads/
  6. https://www.runzero.com/blog/plex/
  7. https://www.tenable.com/plugins/nessus/250294
  8. https://www.vulncheck.com/advisories/plex-media-server-unspecified

1

TypeTargetConfidenceTier
WeaknessIncorrect Resource Transfer Between Spherescwe-6690%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

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Plex Media Server Remote Code Execution Vulnerability
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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.