Update to 1.43.3.10861+ ASAP before your server gets taken over. Full server compromise exploit is now public: [image] ZM @zm_0x Unauthenticated RCE chain in Plex: $500 bounty Writeup: zmain.info/blog/plex2shell PoC: github.com/code-zm/plex2s… Patch your servers! pic.x.com/GUufC4wnuf 4:51 PM - 16 Oct 2026 47 7

Folks are starting to get hit by it: https://www.reddit.com/r/PleX/s/LilsCZahFh https://www.reddit.com/r/PlexMedia/s/gLWcTOmEAA https://www.reddit.com/r/PlexMedia/s/MxIuE3DDKd The original announcement about it: [image] Important Security Update for Plex Media Server v1.43.2 and earlier Announcements We recently released Plex Media Server 1.43.3 and Plex Desktop 1.115.0 to address a number of security issues. We recommend all server owners and Desktop users update to the latest version as soon as possible. CVEs have been requested and we’ll reply to this thread with more details once they’re published. If you’re running Plex Media Server on a NAS device, the updated version may not be available in their package manager yet but you can install the package manually. Here’s a quick guide on ho…

And old vulnerability. This is why auto-update is a good thing to do.

Plex Vulnerability

General Discussions

veeejay October 18, 2026, 6:01pm 3

Folks are starting to get hit by it:

https://www.reddit.com/r/PleX/s/LilsCZahFh

https://www.reddit.com/r/PlexMedia/s/gLWcTOmEAA

https://www.reddit.com/r/PlexMedia/s/MxIuE3DDKd

The original announcement about it:

Topic		Replies	Views
Important Security Update for Plex Media Server v1.43.2 and earlier Announcements security-notices	1	92479	October 19, 2026
3 server updates in 6 days! Plex Media Server server-windows	8	367	November 1, 2026
Security update on Linux Plex Media Server server-linux	3	786	August 20, 2025
Unpatched access vulnerabilities in Plex Media Server — will next update fix them? General Discussions	1	280	January 19, 2026
@PlexTV staff: About the recent security update Plex Players player-linux	19	3013	September 30, 2026

Plex Vulnerability

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