Arbitrary Address Access in Plex Media Server
CVE-2026-96655

5.3MEDIUM

Key Information:

Vendor

Plex

Status
Media Server
Vendor
CVE Published:
23 September 2026

What is CVE-2026-96655?

An issue exists in Plex Media Server that allows authenticated users to exploit the '/video/:/transcode/universal' path parameter, facilitating requests to arbitrary internal or external addresses. This could lead to unauthorized access to sensitive information and should be addressed promptly by upgrading to the latest secure version.

Affected Version(s)

Media Server 0 < 1.43.3.10861

Media Server 1.43.3.10861

References

https://raw.githubusercontent.com/cisagov/CSAF/develop/cs...
third-party-advisory
https://forums.plex.tv/t/plex-media-server/30447/711
release-notes
https://www.cve.org/CVERecord?id=CVE-2026-96655
vdb-entry

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Zach Main
.