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cs.SE2026
FlowArk: Boosting Agentic Data-flow Analysis for Android Apps via Context-Aware Knowledge Reuse
Yiming Zhang, Jiangrong Wu, Yuhong Nan
Data-flow analysis is foundational to Android app privacy and security auditing. Recent coding agents can assist with non-trivial source-to-sink data-flow analysis tasks by searchi…
cs.SE2026
ChainFuzzer: Greybox Fuzzing for Workflow-Level Multi-Tool Vulnerabilities in LLM Agents
Jiangrong Wu, Zitong Yao, Yuhong Nan +1
Tool-augmented LLM agents increasingly rely on multi-step, multi-tool workflows to complete real tasks. This design expands the attack surface, because data produced by one tool ca…
cs.SE2026
AgentRaft: Automated Detection of Data Over-Exposure in LLM Agents
Yixi Lin, Jiangrong Wu, Yuhong Nan +3
The rapid integration of Large Language Model (LLM) agents into autonomous task execution has introduced significant privacy concerns within cross-tool data flows. In this paper, w…