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CVE-2026-96652 Plex Media Server SSRF

MediumCVSS 5.3 EPSS 11.9% CISA KEV added 2026-10-20 · due 2026-11-03 Exploited in the wild
Published
Updated
Exploit status
Exploited in the wild (confirmed)
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Description

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.

CISA Known Exploited Vulnerability

Date added
2026-10-20
Due date (FCEB)
2026-11-03
Ransomware use
Unknown

Required action

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

ProductAffected versionsFixed in
Plex Media Server < 1.43.3.10861 1.43.3.10861

References

  • url third-party-advisory
  • url release-notes
  • url third-party-advisory vdb-entry
  • url third-party-advisory
  • www.cisa.gov government-resource us-government-resource