CVE-2024-21499: Greenpau Caddy-Security

Medium severity, CVSS 4.3. EPSS: 0.5% chance of exploitation in the next 30 days.

All versions of the package github.com/greenpau/caddy-security are vulnerable to HTTP Header Injection via the X-Forwarded-Proto header due to redirecting to the injected protocol.Exploiting this vulnerability could lead to bypass of security mechanisms or confusion in handling TLS.

Affected products

• Greenpau Caddy-Security: any version

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