Web Application Vulnerabilities Runtime SCA Findings
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Caddy Web Server Improper Authentication Vulnerability - CVE-2026-30851 - Vulnerability Database
Caddy Web Server

Caddy Web Server Improper Authentication Vulnerability - CVE-2026-30851

High
Reference: CVE-2026-30851
NVD Link: https://nvd.nist.gov/vuln/detail/CVE-2026-30851
Title: Caddy Web Server Improper Authentication Vulnerability
Overview:

Caddy is an extensible server platform that uses TLS by default. From version 2.10.0 to before version 2.11.2 forward_auth copy_headers does not strip client-supplied headers allowing identity injection and privilege escalation. This issue has been patched in version 2.11.2.