CVE-2024-21494

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.

More information : https://blog.trailofbits.com/2023/09/18/security-flaws-in-an-sso-plugin-for-caddy/