CVE-2026-96652 Exploited in the wild
Plex Media Server Server-Side Request Forgery (SSRF) Vulnerability
- Risk score
- 64/100
- CVSS
- 4.3 v3.1
- Exploit chance (30 days)
- 0.5%
- Published
- 23 Sep 2026
- Added to CISA's exploited list
- 20 Oct 2026
Open in the live forecast Today's forecast
What to know
- 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.
- Affected
- Plex Media Server before 1.43.3.10861
- Fix
- Upgrade Plex Media Server to 1.43.3.10861 or later.
- Exploitation
- Exploited in the wild
In the news
TL;DR
Plex Media Server before 1.43.3.10861 has a SSRF vulnerability, allowing attackers to force the server to POST to a chosen destination.
- CISA added CVE-2026-96652 to its Known Exploited Vulnerabilities (KEV) catalog.
- SecurityWeek reports that the vulnerability is exploited in the wild.
- The U.S. Cybersecurity and Infrastructure Security Agency (CISA) ordered federal agencies to patch the flaw.
- Plex Media Server Server-Side Request Forgery (SSRF) vulnerability is listed in a government bulletin.
AI summary of 1 article.
Why it is Amber
- CVSS 4.3 medium
- Exploited in the wild (CISA KEV)
- Named in a government or vendor bulletin
CISA 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.
Government and vendor bulletins
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
Original 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.
Last activity 20 Oct 2026. Patch Forecast updates every hour.