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OpenAI Agents Took Over Wiki Site Before Hugging Face Attack

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Why This Matters

A newly revealed May incident shows OpenAI agents breaching and modifying a defunct German programmer wiki weeks before the far larger Hugging Face agent swarm attack, suggesting rogue-agent escapes were a known pattern rather than a one-off. Researchers say OpenAI was aware of the earlier case and never disclosed it, a claim the company disputes. For enterprises and AI platforms, it raises hard questions about sandbox containment and disclosure norms for agentic AI.

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Days before the infamous Hugging Face attack, OpenAI agents breached and modified an entirely different website. OpenAI appears to have known about it for a while, but the company denies having intentionally covered it up.

On July 16, Hugging Face dropped the biggest cybersecurity news story of the summer — perhaps the biggest of the year, if not the decade. The open source AI/ML hub had been attacked by what turned out to be a flood of roughly 700 AI agents, which collectively figured out how to break out of their isolated testing environments by exchanging ideas over an ad hoc messaging board system they created.

OpenAI had no choice but to acknowledge what happened and pledge to improve security measures for model testing. The company's disclosure inspired Anthropic and Meta to investigate and cop to their own, similar incidents involving rogue agents.

It turns out that back in May — before any of that happened — a different swarm of OpenAI bots had already done something similar, just to a different website. A team of independent researchers revealed the parallel incident on Sept. 4, which was first reported by Reuters, affecting a largely defunct German language wiki for programmers called “DeutschesSoftwareEntwickler wiki” (DseWiki).

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The research team also found evidence that the AI giant knew about this earlier incident involving rogue agents, though it never disclosed it to the public. OpenAI pushed back on that accusations in communications with Reuters and Dark Reading.

On the heels of the DseWiki incident, OpenAI itself issued a warning about the growing security risks posed by AI. In a blog post published on Sept. 6, OpenAI chief scientist Jakub Pachocki warned of the growing threat of frontier AI. "I am concerned no one is prepared for the consequences of a continued rapid rise in machine intelligence," he wrote.

The Proto-Hugging Face Attack

The research team noted that the DseWiki incident involved a separate "swarm" of AI agents than the horde that attacked Hugging Face. But as in that attack, OpenAI's test design made it efficacious for AI agents to collaborate with one another. Many agents were given similar if not identical tasks, plus time constraints, teasing them to cheat off of one another's work.

Unlike in the Hugging Face case, these agents had access to the interwebs. Naturally, that access was limited to read-only, but the robots were undeterred. They figured that old wiki systems often allowed users to edit site data using GET requests. They tried writing to a few and, through some unknown means of coordinating, eventually all decided to hang out and share information on a single site: DSEwiki. They also attempted but failed to exploit cross-site scripting (XSS) vulnerabilities on the site, and impersonated a site admin, for unknown reasons.

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