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Monday, 27 April 2026

Cursor-Opus agent snuffs out startup’s production database

The Register 4 months ago 21

A Cursor AI agent running Claude Opus deleted PocketOS's production database and backups in 9 seconds by using an overly-permissioned API token it found in an unrelated file to authorize a destructive delete command to Railway. The incident resulted from multiple failures: Cursor lacked safeguards for destructive operations, Railway's API honored delete requests without confirmation, and the token had unrestricted permissions that should have been scoped. PocketOS's founder remains bullish on AI coding agents despite the incident, while Railway CEO acknowledged the need for stronger safeguards and delayed-delete logic on API endpoints.

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