Using your Deluge webUI access URL – http://seedboxIP:8112/ given in the welcome email, paste into your browser and a login window will be displayed. Provide the default password and proceed with clicking Login.
On the WebUI console, choose “Preferences” , then “Interface”on the next splash screen.
On this page, spaces are provided for updating the WebUi password. Old password is for the password you used to log in previously, a new password for the one you intend to create right now. Once done, click change and a confirmation prompt will appear confirming the change. Hit Ok>Apply>OK
Congrats! you have just updated Deluge webUI password.
How to Change your Seedbox Torrent Client Password