CVE-2026-46415: Caddy Middleware Unsafe Remoteaddr
Directly reading client IP from `RemoteAddr` in Caddy middleware skips trusted proxy resolution. If the server is behind a reverse proxy, this evaluates the proxy's IP rather than the true client, bypassing IP-based access controls. Use `caddyhttp.GetVar(r.Context(), caddyhttp.ClientIPVarKey)` to retrieve the true client IP securely.
Gogreprules fetch cve-2026-46415-caddy-middleware-unsafe-remoteaddr --engine opengrepDescription
Directly reading client IP from `RemoteAddr` in Caddy middleware skips trusted proxy resolution. If the server is behind a reverse proxy, this evaluates the proxy's IP rather than the true client, bypassing IP-based access controls. Use `caddyhttp.GetVar(r.Context(), caddyhttp.ClientIPVarKey)` to retrieve the true client IP securely.
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