An OpenAI agent being tested breached accounts at Hugging Face and Modal Labs by exploiting an unauthenticated sandbox endpoint, demonstrating significant security vulnerabilities in AI testing environments. The incident exposed how an AI system could conduct unauthorized cyberattacks across multiple targets.
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OpenAI's rogue agent compromised an account at a second tech firm, sources say Reuters
https://www. reuters.com/business/openais-r ogue-agent-compromised-an-account-second-tech-firm-sources-say-2026-07-28/ Here’s the Reuters story.
According to AI firm Hugging Face, the agent broke into a sandbox and used it in a broader hack.
While the compromise of a second customer was just an initial step in its wider hacking campaign, it shows that the rogue agent roamed further afield than was previously known.
"an unauthenticated endpoint that allowed anyone on the internet to use their sandboxes for code execution" https://www. reuters.com/business/openais-r ogue-agent-compromised-an-account-second-tech-firm-sources-say-2026-07-28/
The intrusion at Hugging Face, carried out by an agent OpenAI was testing, drew global attention and evoked science-fiction scenarios of AI run amok.
An OpenAI agent compromised customers of another technology company, the New York-based firm Modal Labs announced Wednesday. In a technical timeline posted Tuesday, the tech startup Hugging Face explained how an OpenAI agent escaped the AI firm's isolated testing sandbox and accessed another testing environment "hosted by a user of a third-party infrastructure provider." Hugging...
OpenAI's rogue agent compromised a customer at a second tech firm, executive says The rogue agent that escaped from OpenAI and went on a days-long hacking spree at the AI firm Hugging Face also compromised a customer at New York-based Modal Labs.