CVE-2026-96652: plex media_server

CVSS 5.3 (medium) · listed as exploited by CISA since 2026-10-20 · published 2026-09-23

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.

Affected products (NVD): plex media_server

Fixed in (NVD): 1.43.3.10861

Weakness: CWE-918

Source: NVD CVE-2026-96652

References

• https://forums.plex.tv/t/plex-media-server/30447/711
• https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-266-01.json
• https://www.cve.org/CVERecord?id=CVE-2026-96652
• https://zmain.info/blog/plex2shell
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-96652

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