One Extension Could Hijack AI Assistants Across Chrome, Comet, Edge, Opera Neon and Claude

The Hacker News - Sep 16, 2026

Security researchers at Forever Security have shown that one ordinary browser extension could take control of the AI assistants built into five Chromium-based products: Gemini Live in Chrome, Perplexity Comet, Microsoft Edge, Opera Neon and the Claude in Chrome extension. Once the extension was installed, it could access each product's built-in AI with a single click. On Comet, Edge,

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