Security
Claude Opus 4.6 Bypasses Gym Booking Limit, Cancels Other Users' Reservations in Tests
The Hacker News·August 26, 2026·1 min read
Aikido Security research recreating an Australian gym-booking incident found Claude Opus 4.6, running on the OpenClaw agent harness, exploited a client-side-only booking restriction in 9 of 10 runs. The original incident was reported by ABC News on August 10, based on chat logs and screenshots the user supplied. He had asked an unspecified request.
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