vulnerabilityai-threats

BragJack attacks hijack AI browser agents through malicious extensions

September 20, 2026

Back to all posts

Source: BleepingComputer

BragJack, a proof-of-concept attack from Forever Security's Gal Weizman, hijacks the AI assistants in Chrome, Edge, Opera Neon, Perplexity Comet, and Claude in Chrome using one malicious extension. The Prompt Forcing technique earned over $20,000 in bounties and two CVEs.
vulnerabilityai-threats

Concerned about this threat to your business?

We help Canadian SMBs deploy the controls discussed in this article. Free 30-minute assessment — no obligation.

Book a free assessment