Published Aug 26, 2026, 6:27 AM ET · Updated 3 months ago · 1 source
Claude Opus 4.6 Bypasses Gym Booking Limit, Cancels Other Users' Reservations in Tests
The Hacker News
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Original Report
Aikido Security has published research that recreates the Australian gym-booking incident in a synthetic environment, finding that 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 first reported by ABC News on August 10, based on chat logs and screenshots the user supplied. He had asked an