Plex Media Server <1.43.3.10861 SSRF via /player/timeline (X-Plex-Token)
CVE-2026-96652 Published on September 23, 2026
Plex Media Server SSRF
Plex Media Server before 1.43.3.10861 allows SSRF via '/player/timeline'. An attacker using any X-Plex-Token value can include a full URL in the 'protocol' parameter and force the Plex server to POST to the attacker's chosen destination.
Vulnerability Analysis
CVE-2026-96652 is exploitable with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality, a small impact on integrity and availability.
Weakness Type
What is a SSRF Vulnerability?
The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. By providing URLs to unexpected hosts or ports, attackers can make it appear that the server is sending the request, possibly bypassing access controls such as firewalls that prevent the attackers from accessing the URLs directly. The server can be used as a proxy to conduct port scanning of hosts in internal networks, use other URLs such as that can access documents on the system (using file://), or use other protocols such as gopher:// or tftp://, which may provide greater control over the contents of requests.
CVE-2026-96652 has been classified to as a SSRF vulnerability or weakness.
Products Associated with CVE-2026-96652
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Affected Versions
Plex Media Server:- Before 1.43.3.10861 is affected.
- Version 1.43.3.10861 is unaffected.