AgentLeak: A Full-Stack Benchmark for Privacy Leakage in Multi-Agent LLM Systems

📰 ArXiv cs.AI

AgentLeak is a benchmark for measuring privacy leakage in multi-agent LLM systems

advanced Published 31 Mar 2026
Action Steps
  1. Identify potential privacy leakage pathways in multi-agent LLM systems
  2. Use AgentLeak to benchmark and evaluate the privacy risks of these pathways
  3. Analyze the results to inform the design of more secure and private multi-agent LLM systems
  4. Implement mitigation strategies to prevent privacy leakage in deployed models
Who Needs to Know This

AI researchers and engineers working on multi-agent LLM systems can use AgentLeak to identify and mitigate privacy risks, while data scientists and security experts can leverage it to evaluate the security of their models

Key Insight

💡 Current benchmarks for LLM systems do not account for privacy risks introduced by inter-agent communication and coordination

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🚨 Introducing AgentLeak: a benchmark for measuring privacy leakage in multi-agent LLM systems 🚨
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