The Hacker News AI Security · September 16, 2026

BragJack: browser extensions cross AI-assistant privilege boundaries

Why it matters

Forever Security documents malicious extensions reaching privileged AI-assistant surfaces across several browsers. The BragJack research concerns extension permissions and assistant integration boundaries, with different impact and remediation across products.

My takeaway: Audit installed extensions and keep browser assistants updated. Test whether an ordinary extension can reach assistant-owned pages, messages or actions; do not assume AI integration inherits the browser’s intended permission separation.
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