CVE-2026-96654: Plex Media Server Improper Neutralization of Encoded URI Schemes in a Web Page Vulnerability
In CISA KEV since 2026-10-20.
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
CVE-2026-96654 key facts
- CISA KEV
- Listed on · federal remediation due
- Highest advisory severity
- High
- Vendor advisories
- 1 from Synology
- VulniPulse record
- Published
Is CVE-2026-96654 exploited?
Yes. CISA lists CVE-2026-96654 in its Known Exploited Vulnerabilities catalog (added ), which means CISA has evidence of exploitation in the wild.
How do I fix CVE-2026-96654?
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.
This CVE is tracked through a multi-CVE bulletin, so its fixed releases may differ from the bulletin-wide values below. Check the vendor source.
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Vendor advisory comparison
Synology
1 advisory- Advisory severityHigh7.2
High [CVE-2026-96652 +3] Synology-SA-26:17 Plex Media Server (Plex2Shell)
Synology-SA-26:17Source published
This bulletin covers 4 CVEs. The products, versions, score and guidance below describe the bulletin; check its source for applicability to this specific CVE.
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.
- Affected products in this 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
- Source-reported 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
- Source-reported fixed versions
- 1.43.5.11079-720011079
- 1.43.5.11079-700011079
- Mitigation guidance
- Upgrade the affected Synology product to a fixed release: 1.43.5.11079-720011079, 1.43.5.11079-700011079.
More Synology advisories
- CVE-2026-76954Nov 10, 2026Synology-SA-26:19 DSM
- CVE-2026-124993Nov 10, 2026Synology-SA-26:18 DSM
- CVE-2026-111497Oct 29, 2026Synology-SA-26:15 Node2Shell
- CVE-2026-109618Oct 22, 2026Synology-SA-26:14 PHP2Shell
- CVE-2026-4036Sep 18, 2026DSM 7.3 HTTP response splitting
- CVE-2026-13623Sep 18, 2026DSM 7.4 cross-site scripting (XSS)
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