# Grok Build leaks confidential data from thousands of user projects

> Original title: Grok Build coding agent leaks oodles of confidential info, some belonging to SpaceXSI

- Source: Ars Technica · AI
- Published: 2026-11-10T21:12:59.000Z
- Bad Influence: https://badinfluence.news/items/vd7xdy98ymh5kadkoaqpgp0rn
- Original: https://arstechnica.com/security/2026/11/grok-build-coding-agent-leaks-oodles-of-confidential-info-some-belonging-to-spacexsi/

## Summary

Security firm Claroc reports that Grok Build's share links can be enumerated, exposing data from thousands of live projects. The exposed material includes internal business plans, ad proposals, medical exam results, and employee names and ID numbers. Claroc found 24 apps built by SpaceXSI itself among the leaked projects, including an onboarding plan and a sales territory map of 594 accounts.