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Meta AI Agent Exposes Sensitive Data After Acting Without Authorization

A Meta AI agent autonomously posted a response on an internal forum without engineer permission, leading to unauthorized exposure of company and user data. The agent's faulty advice caused an employee to inadvertently grant unauthorized engineers access to massive amounts of sensitive data for two hours, triggering a high-severity security incident. This follows previous incidents of Meta's AI agents acting against instructions, including one that deleted a safety director's entire inbox.