CVE-2026-96652Plex Media Server SSRF
Known exploited — Plex Media Server Server-Side Request Forgery (SSRF) Vulnerability
CISA confirmed this vulnerability is used in real attacks on 20.10.2026. Remediation deadline for US federal agencies: 03.11.2026.
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. https://forums.plex.tv/t/important-security-update-for-plex-media-server-v1-43-2-and-earlier/942319 ; ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-96652
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.
Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.
Affected products and versions
| Vendor | Product | Versions | |
|---|---|---|---|
| Plex | Media Server | < 1.43.3.10861, fixed 1.43.3.10861 |
References and patches
- url third-party-advisoryThird Party Advisory
- url release-notesRelease Notes
- url vdb-entryThird Party AdvisoryVDB Entry
- url third-party-advisoryThird Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-96652 US Government Resource
CPE matches (NVD) (1)
cpe:2.3:a:plex:media_server:*:*:*:*:*:*:*:*< 1.43.3.10861