collaborators

5 papers

cs.CR2026

Words Speak Louder Than Code: Investigating Cognitive Heuristics in LLM-Based Code Vulnerability Detection

Asif Shahriar, Hongyu Cai, Hadjer Benkraouda +2

Researchers and practitioners increasingly apply Large Language Models (LLMs) for automated vulnerability detection. Recent work has shown that LLMs are susceptible to the same cog…

cs.CR2026

CoT-Guard: Small Models for Strong Monitoring

Nirav Diwan, Han Wang, Berkcan Kapusuzoglu +6

Monitoring the chain-of-thought (CoT) of reasoning models is a promising approach for detecting covert misbehavior (i.e., hidden objectives) in code generation tasks. While large m…

cs.CR2026

Beyond BeautifulSoup: Benchmarking LLM-Powered Web Scraping for Everyday Users

Arth Bhardwaj, Nirav Diwan, Gang Wang

Web scraping has historically required technical expertise in HTML parsing, session management, and authentication circumvention, which limited large-scale data extraction to skill…

cs.CR2025

PurpCode: Reasoning for Safer Code Generation

Jiawei Liu, Nirav Diwan, Zhe Wang +11

We introduce PurpCode, the first post-training recipe for training safe code reasoning models towards generating secure code and defending against malicious cyberactivities. PurpCo…

cs.CL2025

MOCHA: Are Code Language Models Robust Against Multi-Turn Malicious Coding Prompts?

Muntasir Wahed, Xiaona Zhou, Kiet A. Nguyen +5

Recent advancements in Large Language Models (LLMs) have significantly enhanced their code generation capabilities. However, their robustness against adversarial misuse, particular…