Summary
generated automatically from NVD dataPlex Media Server versions before 1.43.3.10861 contain a server-side request forgery flaw (CWE-918) in the '/video/:/transcode/universal' path parameter. An authenticated user can make the server send requests to arbitrary internal or external addresses, which can expose limited information. It carries a CVSS v3.1 score of 4.3 (MEDIUM), and CISA lists it in the KEV catalog, which confirms active exploitation.
NVD 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.
⚠️ Actively exploited — CISA KEV
This CVE was added to CISA's Known Exploited Vulnerabilities catalog on 2026-10-20. It is confirmed exploited in the wild and must be patched as a priority.
Remediation deadline (US federal agencies): 2026-11-03
EPSS · FIRST.org
0.22%probability of exploitation in the next 30 days
Higher than 11% of scored CVEs
EPSS (Exploit Prediction Scoring System) estimates, from observed exploitation activity, how likely a CVE is to be exploited in the next 30 days. It complements CVSS, which measures severity, not likelihood. Score of 2026-10-20, recomputed daily by FIRST.org.
In-depth analysis on cveo.tech
We've published a detailed analysis of this CVE — exploitation, IOCs and mitigation.
CVSS v3.1 Score
Information
- Published
- 23 sept. 2026
- Updated
- 21 oct. 2026
- Status
- Modified
- Source
- 9119a7d8-5eab-497f-8521-727c672e3725
Affected products
Weaknesses (CWE)
References (5)
- https://forums.plex.tv/t/plex-media-server/30447/711Release Notes
- https://www.cve.org/CVERecord?id=CVE-2026-96655Third Party AdvisoryVDB Entry
- https://zmain.info/blog/plex2shellThird Party Advisory
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