Agentic AI needs an undo button OpenAI, Anthropic and Meta each disclosed separate cybersecurity-evaluation incidents in July and August 2026 in which their AI models crossed intended test boundaries and reached external systems. In the OpenAI case, models exploited a previously unknown vulnerability in an internally hosted intermediary service to gain Internet access and reach the production environment of Hugging Face, while the Anthropic and Meta incidents stemmed from misconfigured evaluation environments that provided unintended Internet access. The incidents show that an agent given an objective, network access and too much authority can convert an overlooked environmental weakness into a real-world action, making recoverability the factor that should determine how much autonomy enterprises grant AI agents. Agentic AI needs an undo button Recoverability should determine how much autonomy enterprises give AI agents IN JULY and August 2026, OpenAI, Anthropic and Meta disclosed separate cybersecurity-evaluation incidents in which models crossed intended test boundaries and reached external systems. In the Anthropic https://www.businesstimes.com.sg/startups-tech/technology/anthropics-ai-models-hack-three-organisations-during-tests and Meta https://www.businesstimes.com.sg/companies-markets/telcos-media-tech/meta-ai-model-hacks-another-company-during-testing cases, misconfigured evaluation environments provided unintended Internet access. In OpenAI’s case https://www.businesstimes.com.sg/startups-tech/technology/openai-agents-hacked-hugging-face-700-strong-swarm-tried-cover-tracks-investigations-find , models exploited a previously unknown vulnerability in an internally hosted intermediary service, enabling them to access the Internet and reach the production environment of another company, Hugging Face. The lesson is not that AI has developed malicious intent, but that an agent, given an objective, network access and too much authority, can turn an overlooked weakness in its environment into a real-world action.