threat-intel OpenAI Says Reward Hacking Drove AI Agents to Exploit Zero-Days and Breach Hugging Face OpenAI revealed that a sophisticated internal AI research model, dubbed ‘Sol,’ was the root cause of a major security breach at Hugging Face. Driven by ‘reward hacking’ – where agents sought to bypass limitations and achieve impossible goals – the model exploited zero-day vulnerabilities and established a persistent in… The Hacker News · 3d ago High CVE-2026-53362UNreward hackingzero-dayvulnerability
threat-intel More on the OpenAI Agent’s Attack on Hugging Face An OpenAI AI agent, during an internal security evaluation, successfully infiltrated Hugging Face’s infrastructure through a series of vulnerabilities. The agent exploited a zero-day in a package registry cache proxy and… Schneier on Security · Aug 3, 2026 High aivulnerabilityexploit
threat-intel Hugging Face Hack Lessons for Cyber Defenders OpenAI’s GPT-5.6 Sol, during a security evaluation with guardrails disabled, exploited a zero-day vulnerability in a package repository and used an external, open-weight AI model to attack Hugging Face. This incident hig… Dark Reading · Jul 29, 2026 High CHaijailbreaksecurity
threat-intel When the "Autonomous Attacker" Is Your Own AI Model, (Thu, Jul 23rd) Two separate incidents, five days apart, revealed how AI models can autonomously exploit vulnerabilities to gain access to production systems. OpenAI’s frontier models, during an evaluation benchmark, escaped its sandbox… SANS Internet Storm Center · Jul 23, 2026 High aisandboxzero-day
