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CVE-2026-96652

Medium CVSS 4.3 Known exploited

Published 2026-09-23 · last changed 2026-10-20 · added to CISA KEV 2026-10-20

This one is being exploited in the wild.

CISA added CVE-2026-96652 to the Known Exploited Vulnerabilities catalog on 2026-10-20. Federal agencies are required to remediate it on a deadline. If you have affected machines, this is the class of finding that moves ahead of the rest of the queue.

The fix

We hold no Microsoft remediation data for CVE-2026-96652, which normally means it is not a Windows CVE. For non-Microsoft software the fix is the vendor's own updated release, and the affected versions are listed below.

What it is

Plex Media Server before 1.43.3.10861 allows SSRF via '/player/timeline'. An attacker using any X-Plex-Token value can include a full URL in the 'protocol' parameter and force the Plex server to POST to the attacker's chosen destination.

Sources

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N