# CVE-2025-34158

## Summary

- **CVE ID:** CVE-2025-34158
- **Severity:** HIGH
- **CVSS Score:** 8.5 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N)
- **CWE:** CWE-669
- **Published:** Aug 21, 2025
- **Last Modified:** Mar 12, 2026

## 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).

## Affected Products

- Plex — Media Server (1.41.7.x)

## References

- [CNA](https://www.plex.tv/media-server-downloads/)
- [CNA](https://forums.plex.tv/t/plex-media-server-security-update/928341)
- [CNA](https://www.bleepingcomputer.com/news/security/plex-warns-users-to-patch-security-vulnerability-immediately/)
- [CNA](https://www.runzero.com/blog/plex/)
- [CNA](https://www.tenable.com/plugins/nessus/250294)
- [CNA](https://www.vulncheck.com/advisories/plex-media-server-unspecified)
- [CNA](https://github.com/lufinkey/vulnerability-research/tree/main/CVE-2025-34158)
- [CNA](https://github.com/lufinkey/vulnerability-research/blob/main/CVE-2025-34158/README.md)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.54%
- **EPSS Percentile:** 43.9

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._