CVE-2026-25651 – client-certificate-auth has an Open Redirect via Host Header Injection in HTTP-to-HTTPS redirect

CVE ID : CVE-2026-25651

Published : Feb. 6, 2026, 6:50 p.m. | 28 minutes ago

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.

Severity: 0.0 | NA

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