An Indian Twitter user has alleged that an Android TV to which he had access allowed him to see all the other accounts linked to the same via the Google Home app. The bug in question also could have let him put their Google Photos-stored images up on the screen. Google has responded by temporarily suspending the app options involved.
https://www.notebookcheck.net/A-Twitter-user-claims-an-Android-TV-allowed-access-to-other-users-Google-Photos-data.412104.0.html