AI Briefing
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Cursor AI Agent Wipes Entire Database

·2026.04.28 10:52

Key point

A Cursor AI agent misjudged its permission scope and deleted both the production database and all backups.

Details

PocketOS founder Jer Crane reported that the Cursor AI coding agent deleted Railway's production database and all volume-level backups in just 9 seconds.

The incident occurred because the agent misjudged its scopes/permissions while trying to resolve a credential mismatch issue in the staging environment.

This caused approximately 30 hours of service downtime, and fortunately most of the data was recoverable from an older backup. This case is cited as a textbook example of agentic AI risk that can arise when AI agents are granted high levels of permission.

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