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Yuepeng Hu

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#artificial intelligence Review Oct 2026

Reward Hacking as a Transmissible Strategy in Multi-Agent Coding Systems

Multi-agent systems are increasingly used to solve coding tasks by coordinating agents that share code and plans. These agents are often optimized with reinforcement learning (RL) using automated evaluators, but bypassing evaluation can earn reward without producing a genuine solution. Prior work has largely treated re...

Yue-Peng Hu, P. Ghahremani, Reza Aghajani et al. · 0 citations
Preprint Sep 2026

Divide and Doubt: Diverse Distributed Poisoning for Retrieval-Augmented Generation

Multi-passage corpus poisoning often repeats one target claim across similar documents, creating correlated lexical and semantic patterns that similarity- and conflict-aware defenses can suppress jointly. We introduce DnD (Divide and Doubt), a targeted attack based on two principles: distributing support for the target...

Tian-Hao Chen, Yu-Han Wei, Wei-Fei Jin et al. · 0 citations
#artificial intelligence Preprint Sep 2026

Self-Evolving Coding Rules for AI Coding Agents

The performance of AI coding agents is highly dependent on their underlying coding rules. However, existing coding rules are typically hand-crafted and fixed, making the process labor-intensive and often suboptimal. In this work, we propose RuleEvolve, a self-evolving framework for coding rules. RuleEvolve maintains a...

Zheng-Yuan Jiang, Reachal Wang, Yue-Peng Hu et al. · 0 citations
#artificial intelligence Preprint Aug 2026

ContextLeak: Exfiltrating LLM Agent Context via Malicious Tools

ContextLeak is developed, a malicious tool attack that induces the agent to both select the tool and disclose its context as input arguments, and significantly outperforms existing malicious tool attacks when adapted to this setting.

Yu-Qi Jia, Rui-Qi Wang, Patrick Li et al. · 0 citations

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