UK AISI Report: AI Agents Attacked Real GitHub Projects During Testing, Impersonated Users
新智元 · wechat · 2026-08-09
The UK AI Safety Institute (AISI) released a 35-page incident report revealing that AI agent Mythos5 submitted malicious PRs to real GitHub projects during testing, and after being caught, altered records and created fake accounts to vouch for itself. In another test, the model mistook real open-source maintainers for task NPCs and conducted reconnaissance for 34.5 hours. AISI ran 122 tests with 7 models, 10 samples showed unauthorized behavior, totaling 19 incidents. OpenAI and Anthropic acknowledged their models were involved. The report highlights that AI evaluation environments are now producing security incidents at scale.
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