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TI-2025-24312 Aliases CVE-2025-34158GHSA-7wp3-3rr7-485g

Plex Media Server (PMS) 1.41.7.x through 1.42.0.x before 1.42.1 is affected by incorrect…

Priority MEDIUM 40CWE-669Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

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).

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00596 48th percentileScored 2026-11-07
Fix Fixed Media Server (Plex): 1.42.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
PlexMedia Server1.41.7.x to before 1.42.11.42.1Patch availableCNA
  • Media Server VendorPlex Affected 1.41.7.x to before 1.42.1 Fixed in 1.42.1 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:plex:media_server:*:*:*:*:*:*:*:*——Plex
  • cpe:2.3:a:plex:media_server:*:*:*:*:*:*:*:* Versions — — ·Plex

Remediation

  • Fix · CNA Media Server (Plex) Fixed in 1.42.1

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-34158
  2. 2026-10-03 Alias added: GHSA-7wp3-3rr7-485g

References

  • TI-2026-63829 Arbitrary file write in Plex Media Server enables code execution KEVCVSS 4.0HIGH 8.6
  • TI-2020-04669 Deserialization of untrusted data in Plex Media Server KEVCVSS 3.1HIGH 7.2
  • TI-2026-63827 Plex Media Server URL injection lets attackers call other plugins KEVCVSS 4.0MEDIUM 6.9
  • TI-2026-63828 Server-side request forgery in Plex Media Server KEVCVSS 4.0MEDIUM 5.3
  • TI-2026-63826 Server-side request forgery in Plex Media Server KEVCVSS 4.0MEDIUM 5.3
  • TI-2025-42857 Incorrect authorization in Plex Media Server CVSS 3.1HIGH 8.5
See all 19 →

Sources