: One of the most common services on this port, used for monitoring and data visualization.
Search for .env files via path traversal: GET http://<target-ip>:3000/../.env hacktricks port 3000
Following HackTricks methodology, after initial access: : One of the most common services on
Before attempting exploitation, you must identify exactly what is running. :3000/../.env Following HackTricks methodology
Modern frontend frameworks use Node-based development servers to serve hot-reloaded content. npm start usually spins up a server on Port 3000. If a developer leaves this open to the public internet (e.g., binding to 0.0.0.0 instead of 127.0.0.1 ), they are exposing their source code and internal development tools.
The HackTricks philosophy teaches that . Port 3000 services share three catastrophic traits: