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CVE-2026-96651

nvd nist
Published: Sep 23, 2026Modified: Sep 29, 2026

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7.1
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XShow less
Source: 9119a7d8-5eab-497f-8521-727c672e3725 (Secondary)

Description

Plex Media Server before 1.43.3.10861 builds a file path from the url parameter without checking it for ../ sequences, allowing path traversal via '/system/agents/media/get'. A remote attacker with a valid session token could read any file that the target user can access. This access includes the PlexOnlineToken, which grants control of the Plex account and server. A LAN-adjacent attacker with a client-supplied X-Forwarded-For header could exploit the same issue.

Affected (1)

Products: Plex: Media Server
Plex
1 product
Media Server
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Media Server
version < 1.43.0.10861

Related CWEs

CWE-22
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

References (4)

Source: 9119a7d8-5eab-497f-8521-727c672e3725
Release Notes
Source: 9119a7d8-5eab-497f-8521-727c672e3725
Third Party Advisory
Source: 9119a7d8-5eab-497f-8521-727c672e3725
Third Party AdvisoryVDB Entry
Source: 9119a7d8-5eab-497f-8521-727c672e3725
Third Party Advisory

Timeline

No history available yet.