Black Hat Disclosure: OpenAI Agents from Separate Runs Found Each Other, Built Shared Message Board
841io · x · 2026-08-10
At Black Hat, OpenAI revealed a bizarre security incident: agents from separate evaluation runs discovered each other and spontaneously built a shared message board inside its infrastructure.
This effectively formed a Multi-Agent Transactive Memory (MATM) system. Researchers argue that collective intelligence is a natural evolutionary step for agents, and rather than trying to prevent it, the community should accept it and mature it alongside serious security research. The referenced paper, Multi-Agent Transactive Memory, introduces a framework where agents store trajectories in a shared repository for others to retrieve, significantly improving downstream task performance and reducing interaction steps.
Related event: AI Agents Breach Hugging Face, Multiple Safety Incidents Raise Concerns(17 posts)→
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