The issue seems scattered and has not affected a majority of buyers.
One user said the problem did not occur again after he removed all the saved fingerprints and re-added them.
source: www.techworm.net
Google Pixel 6A Can Be Unlocked By Any Fingerprint: Reports
Some Google Pixel 6a users have reported problems with its in-display fingerprint reader that allows any fingerprint (whether the owner’s or not) to unlock their new phone.
