New Delhi, June 8 -- Anyone who knew an Instagram username could retrieve the full, unmasked phone number and email address attached to that account. No login required. No verification. Just a username - which, on Instagram, is by definition public information.

belonging to Meta chief executive Mark Zuckerberg - reportedly revealed multiple email addresses and a linked phone number in plain text.

Meta applied an emergency patch within hours. "We fixed an issue that allowed an external party to request password reset emails for some Instagram users," the company said in a statement. "There was no breach of our systems." The patch was confirmed by security researcher @Scot0xo on X, who described the underlying vulnerability as a logic err...