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I. Basic Information for CVE-2026-28505
Vulnerability Information

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Vulnerability Title
Tautulli: RCE via eval() sandbox bypass using lambda nested scope to escape co_names whitelist check
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 str_eval() function in notification_handler.py implements a sandboxed eval() for notification text templates. The sandbox attempts to restrict callable names by inspecting code.co_names of the compiled code object. However, co_names only contains names from the outer code object. When a lambda expression is used, it creates a nested code object whose attribute accesses are stored in code.co_consts, NOT in code.co_names. The sandbox never inspects nested code objects. This issue has been patched in version 2.17.0.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Tautulli 安全漏洞
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之前版本存在安全漏洞,该漏洞源于notification_handler.py中的str_eval函数沙箱限制不足,可能导致远程代码执行。
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-2026-28505
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III. Intelligence Information for CVE-2026-28505
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