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I. Basic Information for CVE-2026-31804
Vulnerability Information

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Vulnerability Title
Tautulli: Unauthenticated pms_image_proxy endpoint proxies arbitrary HTTP requests through the Plex Media Server
Source: NVD (National Vulnerability Database)
Vulnerability Description
Tautulli is a Python based monitoring and tracking tool for Plex Media Server. Prior to version 2.17.0, the /pms_image_proxy endpoint accepts a user-supplied img parameter and forwards it to Plex Media Server's /photo/:/ transcode transcoder without authentication and without restricting the scheme or host. The endpoint is intentionally excluded from all authentication checks in webstart.py, any value of img beginning with http is passed directly to Plex, this causes the Plex Media Server process, which typically runs on the same host or internal network as Tautulli, with access to RFC-1918 address space, to issue an outbound HTTP request to any attacker-specified URL. This issue has been patched in version 2.17.0.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
服务端请求伪造(SSRF)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Tautulli 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tautulli是Tautulli开源的一款用于监控Plex Media Server(媒体服务器)的应用程序。 Tautulli 2.17.0之前版本存在代码问题漏洞,该漏洞源于/pms_image_proxy端点未对img参数进行充分验证和限制,可能导致服务器端请求伪造攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
TautulliTautulli < 2.17.0 -
II. Public POCs for CVE-2026-31804
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III. Intelligence Information for CVE-2026-31804
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