Author

David A. Wagner

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Jul 2026

Twin Agent: Context Residual Compression for Privilege Separated Agents

This work proposes Twin Agent, a general privilege separation design pattern inspired by residual coding in the agent context that preserves high task utility while preventing prompt injection attacks, outperforming both undefended agents and privilege separation baselines.

Zhan-Hao Hu, Dennis Jacob, Xiao Huang et al. · arXiv.org · 0 citations

Jul 2026

RECEIPT: Deterministic, Reward-Hacking-Resistant Verification for White-Box Agentic XSS Discovery

Cross-Site Scripting (XSS) remains one of the most prevalent and damaging classes of web vulnerabilities. LLM-based coding agents offer a promising approach to XSS discovery by combining source-code reasoning with interactive testing against a running application. However, a coding agent's claims cannot be trusted on t...

Muxi Lyu, Karen Shieh, Yiwei Hou et al. · arXiv.org · 1 citation