CVE-2026-25651

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.

CVSS v3 6.1 MEDIUM

6.1^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://github.com/tgies/client-certificate-auth/releases/tag/v1.0.0	Release Notes
https://github.com/tgies/client-certificate-auth/security/advisories/GHSA-m4w9-gch5-c2g4	Exploit Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:tgies:client-certificate-auth:*:*:*:*:*:node.js:*:*

History

No history.

Information

Published : 2026-02-06 19:16

Updated : 2026-02-24 21:00

NVD link : CVE-2026-25651

Mitre link : CVE-2026-25651

CVE.ORG link : CVE-2026-25651

JSON object : View

Products Affected

tgies

client-certificate-auth

CWE

CWE-601

URL Redirection to Untrusted Site ('Open Redirect')

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