KEV Entry

CVE-2026-96654

Known Exploited Vulnerability Entry CISA

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Entry Details
Confirmed Exploited

CVE-2026-96654

2026-10-20 00:00 UTC

Timestamps

2026-10-20

2026-10-20

Scope

Plex Media Server Improper Neutralization of Encoded URI Schemes in a Web Page Vulnerability | Affected: Plex / Media Server | Description: Plex Media Server contains an improper neutralization of encoded URI schemes in a web page vulnerability that could allow an attacker to call other plugins' functions and supply their own parameters. This vulnerability can be chained with CVE-2026-96652, CVE-2026-96655, and CVE-2026-96656. | 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. | Due date: 2026-10-23 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): 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-2026-96654

References
  • {'id': 'CVE-2026-96654', 'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2026-96654'}

363d0b5c-cf28-4b88-a889-7240d5b01e15

CISA
405284c2-e461-4670-8979-7fd2c9755a60

2026-10-20 20:00 UTC

2026-10-20 20:00 UTC

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
vendor_report cisa-kev successful_exploitation 0.80
View details 
{
  "cwes": [
    "CWE-84"
  ],
  "date_added": "2026-10-20",
  "due_date": "2026-10-23",
  "feed": "CISA Known Exploited Vulnerabilities Catalog",
  "knownRansomwareCampaignUse": "Unknown",
  "product": "Media Server",
  "vendorProject": "Plex",
  "vulnerabilityName": "Plex Media Server Improper Neutralization of Encoded URI Schemes in a Web Page Vulnerability"
}
 -
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