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I. Basic Information for CVE-2026-34444
Vulnerability Information

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Vulnerability Title
Lupa has a Sandbox escape and RCE due to incomplete attribute_filter enforcement in getattr / setattr
Source: NVD (National Vulnerability Database)
Vulnerability Description
Lupa integrates the runtimes of Lua or LuaJIT2 into CPython. In 2.6 and earlier, attribute_filter is not consistently applied when attributes are accessed through built-in functions like getattr and setattr. This allows an attacker to bypass the intended restrictions and eventually achieve arbitrary code execution.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
访问控制不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Lupa 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Lupa是scoder个人开发者的一个将Lua运行时嵌入Python的桥接库。 Lupa 2.6及之前版本存在安全漏洞,该漏洞源于属性过滤器未在getattr和setattr等内置函数中一致应用,可能导致绕过限制并执行任意代码。
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
scoderlupa <= 2.6 -
II. Public POCs for CVE-2026-34444
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III. Intelligence Information for CVE-2026-34444
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