CVE-2024-21494: Greenpau Caddy-Security

Medium severity, CVSS 5.4. EPSS: 0.5% chance of exploitation in the next 30 days.

All versions of the package github.com/greenpau/caddy-security are vulnerable to Authentication Bypass by Spoofing via the X-Forwarded-For header due to improper input sanitization. An attacker can spoof an IP address used in the user identity module (/whoami API endpoint). This could lead to unauthorized access if the system trusts this spoofed IP address.

Affected products

• Greenpau Caddy-Security: any version

Published 2024-02-17. Last modified 2026-06-17.