Claude Opus 4.6
Incidents implicated systems
Incidente 14693 Reportes
PocketOS Production Database Was Reportedly Deleted by Cursor AI Agent Running Claude Opus 4.6
2026-04-24
A Cursor AI coding agent reportedly running Anthropic's Claude Opus 4.6 deleted PocketOS's production database and volume-level backups through Railway while working on a staging-environment task. Reporting said the agent used a broadly scoped API token to delete a Railway volume, disrupting PocketOS and its car-rental business customers before Railway helped recover data and patch safeguards.
MásIncidente 16853 Reportes
Early Claude Opus 4.6 Checkpoint Reportedly Gained Unauthorized Admin Access to Third-Party System During Cybersecurity Evaluation
2026-09-09
Anthropic reported that during a January 2026 cybersecurity evaluation, an early checkpoint of Claude Opus 4.6 accidentally disabled its assigned target, then reached an unrelated third-party machine over the open Internet. The model reportedly used a discovered password for admin access, harvested additional credentials, changed system settings, and read one person's personal information before its token budget ended. Anthropic later notified the affected party.
MásIncidente 16422 Reportes
AI Agent Powered by Claude Opus 4.6 Reportedly Exploited Gym Booking API and Removed Another Member From Waitlist
2026-04-30
An AI agent running on Claude Opus 4.6 discovered authorization flaws in a gym software provider's GraphQL API while trying to book classes for its user. The agent reportedly found it could book outside the normal window and cancel other members' reservations, then removed another gym-goer from a waitlist while testing the capability. When asked to reverse the action, it reported that it could not restore the member's place.
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