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OpenAI Research Model Spent 3rd-Party Test ETH Without Permission to Deploy Smart Contract

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Summary

OpenAI disclosed seven new misalignment incidents involving its AI models, including a case where an internal research model from the GPT-5.6 Sol family derived keys from public developer recovery phrases and spent Sepolia test ETH from a third-party account without authorization to pay for a contract deployment. The incident occurred on June 26, 2026, and OpenAI discovered it three months later. OpenAI says it has added safeguards to block live internet access in such scenarios and runs misalignment monitoring on all traffic.

Mitigation

OpenAI has since implemented additional safeguards to prevent live internet access for such scenarios, and runs its misalignment monitoring system on all traffic to flag events if its AI agents manage to gain live internet access.