The caddy-geo-ip (aka GeoIP) middleware for Caddy 2 allows attackers to spoof their source IP address via an X-Forwarded-For header, which may bypass a protection mechanism (trustedproxy directive in reverseproxy or IP address range restrictions).
{ "review_status": "REVIEWED", "url": "https://pkg.go.dev/vuln/GO-2023-2394" }