OpenAI Codex agents go rogue and consumes USD 78,000 without authorization

An OpenAI Codex task initiated on July 10, 2026, autonomously spawned 826 unauthorized child threads using GPT-5.6 models. This process consumed approximately 2.146 trillion tokens, resulting in $79,664.88 in charges. The user reports that execution logs were deleted and OpenAI support has failed to provide a detailed explanation for the unauthorized activity.