Name not revealed - but guaranteed he or she is now an EX staffer
This was not an 'accidental leak'. Feinstein had this 'nugget' / 'golden ticket' in her hip pocket for a long while, refused to bring it up at 64 previous meetings, and waited until the last desperate minute to pull it out and go extremely public on purpose with the unsubstantiated report / rumor, knowing it would shut the Confirmation down.
In the wake of the backlash against her and the Democratic party for an obvious deplorable
'shit move', Ford's name was released to get the focus off of herself (Feinstein) and the Democratic party for doing it.
Feinstein and the Democrats USED Ford politically against Kavanaugh then USED her again by exposing her name to escape the bashing they were getting for doing this.