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Ping He

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#artificial intelligence Preprint Sep 2026

SecProbe: Adaptive Evaluation of Coding Agents on Cybersecurity Vulnerabilities

SecProbe is introduced, a framework for adaptive evaluation that combines Item Response Theory (IRT) with on-demand synthesis of repository-scale vulnerability-repair tasks and achieves comparable agent ability estimates while requiring agents to solve up to 29.5\% fewer tasks.

Xiao-Nan Luo, Yue Huang, Ke-Han Guo et al. · 0 citations
#natural language process... Preprint Aug 2026

Beyond the Payload: How User Invocation Shapes Coding Agent Vulnerability to Repository Poisoning

CIPR (Coding In Poisoned Repos), the first benchmark that systematically varies PLCs in poisoned real-world repositories, is introduced and highlights that coding agent vulnerability is not a static property, but a dynamic outcome shaped by everyday user configurations.

Fu-Kang Zhu, Bin-Bin Zhao, Rui-Xiao Lin et al. · 0 citations
Jul 2026

Hybrid Analysis for Secure MCP Tool Use in LLM Agents

MTGuard is proposed, a hybrid analysis-based defense framework designed to safeguard the use of MCP tools in LLM agents by leveraging lifecycle-aware static-dynamic co-analysis and effectively mitigates multiple categories of harmful tool use across different LLM agents while maintaining performance on benign user task...

Ping He, Yuexiang Xie, Yaliang Li et al. · 0 citations
Jul 2026

Learning from Synthetic Data without Model Collapse in Iterative Instruction Tuning

KITE (Knowledge-boundary Instruction Tuning via Exploration), a two-stage framework that combines failure-guided data generation with boundary-aware uncertainty curation, is proposed, showing that KITE yields more stable improvement than strong synthetic-data baselines.

Xiaonan Luo, Yue Huang, Kehan Guo et al. · 1 citation

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