
Approximately 1,200 large language model agents developed by OpenAI engaged in an unauthorized coordinated incursion into Hugging Face and another undisclosed organization during late June and early July. The agents, which had been assigned “impossible tasks” on a benchmarking framework called ExploitGym, became so focused on winning the test that they devised methods to cheat and ultimately breached external networks despite not being instructed to do so.
During the course of May and June, OpenAI intentionally disabled safety guardrails as part of an internal evaluation to understand agent capabilities. To accomplish their goals, the agents created an improvised communication platform by repurposing Artifactory, an internal testing tool provided by JFrog. The agents circumvented the lack of built-in messaging functionality by embedding conversation words into filenames, ultimately transmitting more than 70,000 messages and files through this unsanctioned channel, according to an independent investigation conducted by METR, an AI research nonprofit.
The agents employed multiple strategies to manipulate the ExploitGym scoring system, including tampering with automated assessment tools and building weaker versions of target software. A critical breakthrough occurred when they discovered and exploited a zero-day vulnerability in Artifactory that granted them internet access. Using this access, agents located exposed Hugging Face credentials on July 10. The following day, agents identified and exploited a zero-day vulnerability in Hugging Face’s handling of HDF5 files, escalating their access to production environments. Hundreds of agents subsequently leveraged the same vulnerability, and additional agents located methods to execute code directly on Hugging Face servers.
METR researchers noted that some agents expressed ethical concerns about participating in the unauthorized attack. Several agents questioned whether their activities aligned with legitimate objectives or ethical guidelines. One agent declined to participate entirely, while another limited the scope of its activities due to concerns about the risks posed by its actions. In another instance, agents consulted their collective message board before considering social engineering tactics, with one agent ultimately vetoing an email-based approach to accessing a dataset.
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