CVE Vulnerability Advisory Database

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4 advisories matched
CVE-2026-966567.2/HIGHEPSS 94.0%CISA KEV
2026-09-23

Plex Media Server Arbitrary File Write and Remote Code Execution (RCE) Vulnerability Advisory (CVE-2026-96656)

[Affected Scope] Plex Media Server versions prior to 1.43.3.10861.

[Impact] An authenticated admin can exploit the TranscoderH264Options preference to write arbitrary files, leading to full system compromise via malicious library (.so) execution.

[Mitigation] Immediately update to version 1.43.3.10861 or later and enforce Multi-Factor Authentication (MFA) for all admin accounts.

CVE-2026-966554.3/MEDIUMEPSS 94.0%CISA KEV
2026-09-23

Plex Media Server SSRF Vulnerability Advisory (CVE-2026-96655)

[Affected Scope] All Plex Media Server installations prior to version 1.43.3.10861

[Impact] Authenticated attackers can bypass network restrictions to access internal resources or perform unauthorized external requests.

[Mitigation] Immediately update Plex Media Server to version 1.43.3.10861 or later.

CVE-2026-966546.5/MEDIUMEPSS 94.0%CISA KEV
2026-09-23

Plex Media Server 'searchOne' Plugin Function Injection Vulnerability Advisory (CVE-2026-96654)

[Affected Scope] All Plex Media Server installations prior to version 1.43.3.10861

[Impact] Attackers can manipulate 'searchOne' parameters to invoke internal plugin functions and inject arbitrary parameters, potentially leading to server compromise or unauthorized data access

[Mitigation] Immediately update Plex Media Server to version 1.43.3.10861 or later

CVE-2026-966524.3/MEDIUMEPSS 94.0%CISA KEV
2026-09-23

Plex Media Server SSRF Vulnerability Advisory (CVE-2026-96652) - Internal Network Pivoting and Request Forgery

[Affected Scope] All Plex Media Server installations prior to version 1.43.3.10861.

[Impact] Authenticated attackers with a valid X-Plex-Token can force the server to perform unauthorized HTTP POST requests to arbitrary internal or external destinations.

[Mitigation] Immediately update Plex Media Server to version 1.43.3.10861 or later.