First published Oct 20, 2026, 8:31:15 PM UTC · Last updated Oct 20, 2026, 8:31:15 PM UTC

CVE-2026-96656: Plex Media Server External Control of File Name or Path Vulnerability

Reported by CISA Known Exploited Vulnerabilities

The source reports a Plex Media Server vulnerability that may allow an admin user to write arbitrary files that can be executed on load, and says it can be chained with three other CVEs. It calls for applying vendor mitigations or discontinuing use if mitigations are unavailable.

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Why it matters

The source describes a vulnerability with a stated mitigation action for affected product use.

Generated scores

Scores are based on the cited reporting and use a 1–10 scale. Read the methodology.

Confidence: 6/10How certain the assessment is based on the clarity and evidence in the cited reporting.
Geographic reach: 2/10How widely the event reaches, from a local area (1) to worldwide impact (10).
Global importance: 4/10The event's broader significance, from limited importance (1) to major global importance (10).
Impact magnitude: 4/10The scale or severity of the real-world impact, from minor (1) to extreme (10).
Urgency: 6/10How time-sensitive the event is, from low urgency (1) to immediate attention needed (10).

Primary official sources

CISA Known Exploited Vulnerabilities CVE-2026-96656: Plex Media Server External Control of File Name or Path Vulnerability

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