Microsoft Discovers Vulnerability That Lets Hackers See ChatGPT and Gemini’s Conversation Topics

Microsoft has discovered a new vulnerability, called Whisper Leak, that reportedly affects most server-based AI chatbots, including ChatGPT and Gemini. The flaw enables attackers to infer conversation topics through side-channel attacks by analysing encrypted network traffic metadata. Microsoft says it worked with vendors like OpenAI, Mistral, and xAI to deploy mitigations and strengthen user privacy protections.