What is CVE-2026-96655?

CVE-2026-96655 is a medium-severity vulnerability in Plex Media Server, classified under Server-Side Request Forgery (SSRF). CVSS score: 4.3/10. Published 2026-09-23.

How severe is CVE-2026-96655?

Medium severity. CVSS v3 base score is 4.3 out of 10.

SSRF in Plex Media Server

CVE-2026-96655

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.

Vulnerability class: SSRF (Server-Side Request Forgery)

Published 2026-09-23 · last modified 2026-09-23.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Plex Media Server

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

9119a7d8-5eab-497f-8521-727c672e3725 (third-party-advisory)
9119a7d8-5eab-497f-8521-727c672e3725 (release-notes)
9119a7d8-5eab-497f-8521-727c672e3725 (vdb-entry)
9119a7d8-5eab-497f-8521-727c672e3725 (third-party-advisory)

Frequently asked questions

What is CVE-2026-96655?: CVE-2026-96655 is a medium-severity vulnerability in Plex Media Server, classified under Server-Side Request Forgery (SSRF). CVSS score: 4.3/10. Published 2026-09-23.
How severe is CVE-2026-96655?: Medium severity. CVSS v3 base score is 4.3 out of 10.