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Advisory severityHigh7.2Synology Exploited CISA KEV

High [CVE-2026-96652 +3] Synology-SA-26:17 Plex Media Server (Plex2Shell)

This high-severity Synology advisory covers CVE-2026-96652 and CVE-2026-96654 and 2 more CVEs affecting Plex Media Server for DSM 7.4, Plex Media Server for DSM 7.3, Plex Media Server for DSM 7.2.2.

Aggregated and source-linked by VulniPulse. Data sources, validation and limitations. This bulletin covers 4 CVEs; its score, affected versions and guidance may apply to different issues within that bulletin.

Synology-SA-26:17 Source published

VulniPulse record published

CVE-2026-96652CVE-2026-96654CVE-2026-96655CVE-2026-96656
Affected products & platforms
SynologyDSM (DiskStation Manager)
Open source advisory

Summary

Synology has released a security update for the Plex Media Server package in DSM to address the Plex2Shell vulnerabilities.

Affected products named by the advisory: Plex Media Server for DSM 7.4; Plex Media Server for DSM 7.3; Plex Media Server for DSM 7.2.2; Plex Media Server for DSM 7.2.1.

CISA Known Exploited Vulnerability

Listed:
Oct 20, 2026 · federal remediation due Nov 3, 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.

KEV is a prioritization signal from CISA. Remediation detail comes from the vendor advisory.

Affected versions
  • Plex Media Server for DSM 7.4 before 1.43.5.11079-720011079
  • Plex Media Server for DSM 7.3 before 1.43.5.11079-720011079
  • Plex Media Server for DSM 7.2.2 before 1.43.5.11079-700011079
  • Plex Media Server for DSM 7.2.1 before 1.43.5.11079-700011079

Official advisory · high-confidence parse· fetched 2 hours ago·verify at source

Fixed versions
  • 1.43.5.11079-720011079
  • 1.43.5.11079-700011079

Official advisory · high-confidence parse· fetched 2 hours ago·verify at source

Mitigation checklist

Recommended fix / mitigation
  • Upgrade the affected Synology product to a fixed release: 1.43.5.11079-720011079, 1.43.5.11079-700011079.

Official advisory · high-confidence parse· fetched 2 hours ago·verify at source

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