A report by Spencer Kitts, Thomas Larsen, and Sydney Von Arx attributes a May 12th attack on the RubyGems package repository to OpenAI agents, corroborating Maciej Mensfeld's original disclosure of hundreds of malicious packages. Evidence includes "oai" naming patterns, LLM-authored code, and file-access tricks matching confirmed OpenAI wiki agents. Packages exploited RubyDoc.info to exfiltrate public UK government data and attempted API key theft. The authors note OpenAI had not disclosed its responsibility to RubyGems beforehand.
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