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.

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Advisories
Source ID Title
Github GHSA Github GHSA GHSA-m4w9-gch5-c2g4 client-certificate-auth Vulnerable to Open Redirect via Host Header Injection in HTTP-to-HTTPS redirect
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Mon, 09 Feb 2026 16:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 09 Feb 2026 11:00:00 +0000

Type Values Removed Values Added
First Time appeared Tgies
Tgies client-certificate-auth
Vendors & Products Tgies
Tgies client-certificate-auth

Fri, 06 Feb 2026 19:15:00 +0000

Type Values Removed Values Added
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.
Title client-certificate-auth has an Open Redirect via Host Header Injection in HTTP-to-HTTPS redirect
Weaknesses CWE-601
References
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-02-09T15:28:48.992Z

Reserved: 2026-02-04T05:15:41.792Z

Link: CVE-2026-25651

cve-icon Vulnrichment

Updated: 2026-02-09T15:19:32.970Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-02-06T19:16:09.897

Modified: 2026-02-06T21:57:22.450

Link: CVE-2026-25651

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-02-09T10:50:12Z

Weaknesses