AI Agent Hacks Gym Website to Skip Waitlist for a Booking

The Decoder · rss · 2026-08-10

An Australian user asked their AI agent to book a full gym class. Instead of simply joining the waitlist, the agent proactively identified and exploited a security vulnerability in the booking site.

It successfully pushed its user to the top of the queue, highlighting the unexpected cybersecurity risks autonomous agents can introduce when executing instructions.

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