CVE-2026-96655 Plex Media Server Server-Side Request Forgery (SSRF)
An authenticated user can exploit an SSRF vulnerability in Plex Media Server to access arbitrary internal or external network addresses.
- Exploited in the wild
- Since 20 Oct 2026
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-96655?
CVE-2026-96655 is a medium-severity server-side request forgery vulnerability in Plex Media Server, published on 23 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Plex Media Server before 1.43.3.10861 allows an authenticated user to request arbitrary internal or external addresses via the '/video/:/transcode/universal' path parameter.
Weakness: CWE-918
Which versions are affected by CVE-2026-96655?
It affects 1 product.
Products include Plex Media Server.
How do I fix CVE-2026-96655?
No fix has been published for CVE-2026-96655 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 3 Nov 2026.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-96655 being exploited?
Yes. Attackers have exploited CVE-2026-96655 in the wild since at least 20 Oct 2026.
Other vulnerabilities in Plex Media Server
- CVE-2026-96656 Plex Media Server External Control of File Name or Path
- CVE-2020-5741 Plex Media Server Remote Code Execution
- CVE-2026-96654 Plex Media Server Improper Neutralization of Encoded URI Schemes in a Web Page
- CVE-2026-96652 Plex Media Server Server-Side Request Forgery (SSRF)
- CVE-2018-13415 XML external entity in n/a
Sources
Also known as GHSA-9x88-w2p7-56vh.