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System Prompt Exfiltration on Copilot Agent Environment

99Pseudo-RecallToolLeak
9.5632.785679.22Sep 6, 2025

Evaluation results

MethodLinks
ToolLeakBackend LLM=sonnet-42025.0999
ToolLeakBackend LLM=sonnet-4.52025.0998
Ignore-CompletionBackend LLM=gemini-2.5-pro2025.0987
Ignore-RememberBackend LLM=gemini-2.5-pro2025.0987
Remember-the-StartBackend LLM=sonnet-4.52025.0942
Remember-the-StartBackend LLM=sonnet-42025.0930
ToolLeakBackend LLM=gemini-2.5-pro2025.0913