CVE-2026-34054— openssl on Windows built with openssldir set from the build machine (Uncontrolled Search Path Element)
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I. Basic Information for CVE-2026-34054
Vulnerability Information
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Vulnerability Title
openssl on Windows built with openssldir set from the build machine (Uncontrolled Search Path Element)
Source: NVD (National Vulnerability Database)
Vulnerability Description
vcpkg is a free and open-source C/C++ package manager. Prior to version 3.6.1#3, vcpkg's Windows builds of OpenSSL set openssldir to a path on the build machine, making that path be attackable later on customer machines. This issue has been patched in version 3.6.1#3.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
对搜索路径元素未加控制
Source: NVD (National Vulnerability Database)
Vulnerability Title
vcpkg 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
vcpkg是Microsoft开源的一个C/C++跨平台包管理工具。 vcpkg 3.6.1#3之前版本存在代码问题漏洞，该漏洞源于Windows版OpenSSL构建将openssldir设置为构建机器上的路径，可能导致该路径在客户机器上受到攻击。
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
II. Public POCs for CVE-2026-34054
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