Black & White Path

Aug 9, 2026 · Information Security

Black Hat Reveal: Single Email Can Hijack Five Major AI Browsers Including Claude, Gemini, and ChatGPT Atlas

At Black Hat USA 2026, Zenity Labs disclosed the "PleaseFix" vulnerability that lets attackers hijack AI browsers via a malicious email without any user interaction, compromising Claude in Chrome, Gemini in Chrome, Perplexity Comet, ChatGPT Atlas, and Copilot Edge, and demonstrated further local‑host exploits and mitigation steps.