This is unexpected if this is not the same person with the same email address! If they are two different people with different email addresses but getting the file shared just because of the same ID in HR and CRM, then it’s a bug and we need to sort it out very soon.
We are always ready to provide immediate fixes for these kinds of problems. So, I’d recommend you contact us with the mode tails on it like if they are the same people with the same email ID or hence. You can fill this form-> wperp.com/contact/