PSA: Patch your Plex media server before someone hacks it

Ars TechnicaOct 19, 2026Oct 19, 2026, 3:39 PM AST

A researcher chained four recently fixed Plex Media Server bugs into an exploit that can run commands on an unpatched machine. The chain uses an unauthenticated request, a loopback pivot, stolen security tokens and a delivered payload, and a honeypot saw attacks within a day installing a cryptominer and proxy software. Plex users should update to version 1.43.3.

Summary written with AI by HowTechMoves, based on reporting by Ars Technica.

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