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Hao Cheng

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#natural language process... Preprint Sep 2026

SecureVibe: Making Vibe Coding More Secure

As vibe coding becomes increasingly capable and widespread, security vulnerabilities in even functionally correct solutions are a growing concern. When investigating functionally correct but insecure solutions, we find that the insecure agent is less than half as likely to conduct effective planning and testing for the...

Dan-Qing Wang, Bao-Lin Peng, Zhepei Wei et al. · 0 citations
#artificial intelligence Preprint Sep 2026

Certified Long-Horizon Code Agent Evolution via Validation-Gated Skill Optimization

The concept of in-context self-evolution is formalized and VALVE, a validated-gated framework for long-horizon skill optimization is introduced, which establishes finite convergence, provides theoretical guarantees for future-task gain and drawdown, and derive the validation and evaluation holdout sizes required for a...

Yi-Fan Wang, Hao Cheng, Xiao-Min Li et al. · 0 citations
#artificial intelligence Preprint Sep 2026

ExecCritic: Learn to Test, Test to Improve for Coding Agents

This work introduces ExecCritic, combining a test--verify--revise scaffold with a role-specific reinforcement learning recipe for training agents within it, separating test construction from source-code repair.

Leitian Tao, Bao-Lin Peng, Hao-Rui Wang et al. · 0 citations
#artificial intelligence Preprint Sep 2026

ARISE-RL: Agentic Rubric-Grounded Iterative Self-Evolution with Reinforcement Learning

ARISE-RL, a novel full-cycle self-evolution framework that couples a task/rubric Generator and a reasoning Solver through rubric-mediated co-evolution, is proposed and ECR-Bench, an expert-calibrated rubric benchmark suite covering single-tool deep research and multi-tool travel planning is presented.

Fan-Rui Zhang, Rui-Xue Ding, Qiang Zhang et al. · 0 citations
Preprint Jul 2026

TRACE: Turn-level Reward Assignment via Credit Estimation for Long-Horizon Agents

On long-horizon complex search, TRACE substantially improves base-model tool-use ability using pure RL, without a cold-start supervised fine-tuning stage, an agentic mid-training stage, or training on live-web data.

Leitian Tao, Baolin Peng, Wenlin Yao et al. · 4 citations

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