CVE-2026-96652
medium CISA KEVPlex Media Server Server-Side Request Forgery (SSRF) Vulnerability
Vendor / product: Plex — Media Server
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.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N Required action (CISA)
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
Affected products
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://forums.plex.tv/t/plex-media-server/30447/711 9119a7d8-5eab-497f-8521-727c672e3725
- https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-266-... 9119a7d8-5eab-497f-8521-727c672e3725
- https://www.cve.org/CVERecord?id=CVE-2026-96652 9119a7d8-5eab-497f-8521-727c672e3725
- https://zmain.info/blog/plex2shell 9119a7d8-5eab-497f-8521-727c672e3725
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-96652 134c704f-9b21-4f2e-91b3-4a467353bcc0