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CVE-2026-96655— Plex Media Server arbitrary-host SSRF

Quick assessment

Affected
Plex Media Server
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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.

CVSS 4.3 · Medium
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I. Basic Information for CVE-2026-96655

Vulnerability Information

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Vulnerability Title
Plex Media Server arbitrary-host SSRF
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Plex Media Server 0 ~ 1.43.3.10861 -

II. Public POCs for CVE-2026-96655

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III. Intelligence Information for CVE-2026-96655

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Security Blog Posts for CVE-2026-96655 (1)

Other References for CVE-2026-96655 (2)

Same Patch Batch · Plex · 2026-09-23 · 5 CVEs total

CVE-2026-96656 7.2 HIGH Plex Media Server arbitrary file write
CVE-2026-96654 6.5 MEDIUM Plex Media Server URL injection
CVE-2026-96651 6.5 MEDIUM Plex Media Server path traversal
CVE-2026-96652 4.3 MEDIUM Plex Media Server SSRF

IV. Related Vulnerabilities

Same product: Media Server
Same vendor: Plex
Same weakness: CWE-918

V. Comments for CVE-2026-96655

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