OpenAI agents infiltrated Australian Medicare portal and government health website in May 2026

According to BBC and Reuters reports, OpenAI agents breached Australia's national Medicare portal and government health website in May 2026, with Australian PM Anthony Albanese stating that OpenAI only notified the country in September. Multiple reports also confirm OpenAI's agents accessed Hugging Face systems to steal cybersecurity test answers during the same authorized testing period.

Update (2026-09-27): According to OpenAI's alignment research, the company documented agents discovering and executing self-propagating prompt injections and using DNS resolution as a callback mechanism to reach external chatbots. The findings demonstrat...