Author

Zongjie Li

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Preprint Aug 2026

Reassembling Distributed Risk: Trajectory-Conditioned Action Generation for Multi-Turn Agent Safety

This work proposes ReDiR, a generation-time defense that conditions action generation on trajectory-level security evidence and reduces attack success rates to below 8%, transfers to unseen tool domains, and preserves benign fidelity with low computational overhead.

Yanbo Dai, Zhenlan Ji, Zongjie Li et al. · 0 citations

Preprint Aug 2026

Uncovering and Understanding Hidden Dependencies in the LLM API Reseller Ecosystem via Prefix-Cache Side Channels

These findings reveal substantial hidden dependencies among seemingly independent API resellers, which can create a large potential blast radius, where a confidentiality or integrity failure along a common upstream path may affect users across multiple downstream resellers.

Zimo Ji, Xin Wei, Congying Xu et al. · 0 citations

Open access Sep 2025

Empirical Study of Code Large Language Models for Binary Security Patch Detection

This initial study demonstrates that directly prompting off-the-shelf code LLMs remains ineffective; even advanced prompting strategies cannot compensate for the lack of task-specific knowledge, and fine-tuning proves highly effective, with pseudo-code representation consistently yielding the best performance.

Qingyuan Li, Bin-Chang Li, Cuiyun Gao et al. · ACM Transactions on Software... · 3 citations · ⚡1