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I. Basic Information for CVE-2026-25651
Vulnerability Information

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Vulnerability Title
client-certificate-auth has an Open Redirect via Host Header Injection in HTTP-to-HTTPS redirect
Source: NVD (National Vulnerability Database)
Vulnerability Description
client-certificate-auth is middleware for Node.js implementing client SSL certificate authentication/authorization. Versions 0.2.1 and 0.3.0 of client-certificate-auth contain an open redirect vulnerability. The middleware unconditionally redirects HTTP requests to HTTPS using the unvalidated Host header, allowing an attacker to redirect users to arbitrary domains. This vulnerability is fixed in 1.0.0.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
指向未可信站点的URL重定向(开放重定向)
Source: NVD (National Vulnerability Database)
Vulnerability Title
client-certificate-auth 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
client-certificate-auth是Tony Gies个人开发者的一个实现客户端SSL证书认证的中间件。 client-certificate-auth 0.2.1版本和0.3.0版本存在输入验证错误漏洞,该漏洞源于中间件无条件地使用未经验证的主机标头将HTTP请求重定向到HTTPS,可能导致开放重定向。
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
tgiesclient-certificate-auth >= 0.2.1, < 1.0.0 -
II. Public POCs for CVE-2026-25651
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III. Intelligence Information for CVE-2026-25651
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IV. Related Vulnerabilities
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