First, let me say that the documentation is out of date on this. Nothing looks like the Google page where you create the API.
I ask for no permissions in the plugin, but the popup that comes up from google says, "Know your basic profile info and list of people in your circles.
Includes people in circles that are not public on your profile.".
When you hit agree, it displays an error: User profile request failed! Google returned an error: exception 'Exception' with message....
Does CB Connect 6 not work with Google+?