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
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Plex | Media Server | 1.41.7.x – < 1.42.1 | 1.42.1 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 1 repository
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HORKimhab/CVE-2025-34158-CVE-2020-5741 ★ 0 · Sep 4, 2026
CVE-2025-34158, CVE-2020-5741 - Draft or TODO
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
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