Plex Media Server before 1.43.3.10861 allows an authenticated user to request arbitrary internal or external addresses via the '/video/:/transcode/universal' path parameter.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is in the KEV database since Oct. 20, 2026.

Exploitation active

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Plex
  • Media Server

Configuration 1 [-]

cpe:2.3:a:plex:media_server:*:*:*:*:*:*:*:*

No data.

References
Link Providers
https://forums.plex.tv/t/plex-media-server/30447/711 cve-icon cve-icon
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-266-01.json cve-icon cve-icon
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-96655 cve-icon cve-icon
https://www.cve.org/CVERecord?id=CVE-2026-96655 cve-icon cve-icon
https://zmain.info/blog/plex2shell cve-icon cve-icon
History

Tue, 20 Oct 2026 21:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

 ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'active', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Tue, 20 Oct 2026 20:30:00 +0000

Type Values Removed Values Added
References

Tue, 20 Oct 2026 19:30:00 +0000

Type Values Removed Values Added
Metrics kev

{'dateAdded': '2026-10-20T00:00:00+00:00', 'dueDate': '2026-11-03T00:00:00+00:00'}

Tue, 29 Sep 2026 18:45:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:plex:media_server:*:*:*:*:*:*:*:*

Wed, 23 Sep 2026 18:45:00 +0000

Type Values Removed Values Added
First Time appeared Plex
Plex media Server
Vendors & Products Plex
Plex media Server

Wed, 23 Sep 2026 17:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Wed, 23 Sep 2026 16:30:00 +0000

Type Values Removed Values Added
Description Plex Media Server before 1.43.3.10861 allows an authenticated user to request arbitrary internal or external addresses via the '/video/:/transcode/universal' path parameter.
Title Plex Media Server arbitrary-host SSRF
Weaknesses CWE-918
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N'}
cve-icon MITRE

Status: PUBLISHED

Assigner: cisa-cg

Published: 2026-09-23T16:06:53.133Z

Updated: 2026-10-21T03:56:24.883Z

Reserved: 2026-09-23T14:42:25.245Z

Link: CVE-2026-96655

cve-icon Vulnrichment

Updated: 2026-09-23T16:36:22.466Z

cve-icon NVD

Status : Analyzed

Published: 2026-09-23T17:17:23.677

Modified: 2026-10-21T13:09:29.830

Link: CVE-2026-96655

cve-icon Redhat

No data.