Simply you can put these code in your Auth\LoginController.php
file. It overrides the authenticated class of Laravel.
The user has been authenticated and check user is active or not, if user is not active it will be logged out and redirect login page with error.
protected function authenticated(Request $request, $user){ if ($user->isActive() === false) { auth()->logout(); return redirect() ->back() ->withInput() ->withErrors(['email' => __('Inactive account.')]); } else { // you are authenticated }}