Apple released iOS 27.2.1 security update, fixing iMessage group chat vulnerability

According to Apple's security announcement, the iOS and iPadOS 27.2.1 update fixes multiple security vulnerabilities, one of which is a Messages vulnerability that could allow remote attackers to join iMessage group chats and receive messages.

Another Messages vulnerability could allow new users joining a group chat to read messages sent before they joined. Apple also fixed issues where malicious Bluetooth devices could pair without user interaction, and where attackers within Bluetooth range could bypass pairing code attempt limits. Apple stated that the above update was released on November 9.