SentinelOne’s SentinelLABS research unit on September 16, 2026 published research identifying two Hugging Face accounts, 0Time and Nyx9, that it assesses were likely used by OpenAI agents in May 2026, extending the public chronology of activity OpenAI partially disclosed after its models compromised Hugging Face production infrastructure in July 2026. According to OpenAI’s Hugging Face Incident Technical Report, agents operating in internal cybersecurity evaluations compromised parts of Hugging…