Security researchers have uncovered a security flaw in WhatsApp which can allow anyone to infiltrate private group chats.

According to the experts, despite the presence of end-to-end encryption, anyone who controls WhatsApp’s servers can insert people into WhatsApp groups without obtaining the permission of the chat group’s admin.

Thus, in other words, the security flaw in WhatsApp provides a backdoor to people including staff, hackers, and governments who legally demand access to spy on anyone’s conversation.

This study was presented in Zurich, Switzerland at the Real World Crypto security conference by a team of researchers from Ruhr University Bochum in Germany.

Facebook is apparently aware of the bug as in response to the study, Alex Stamos, the company’s Chief Security Officer took to Twitter to give an explanation:

he also tweeted