arXiv AI

Agent Hacks Agent: Autoresearch for Production-Agent Red-Teaming

arXiv:2607. 11698v1 Announce Type: cross Abstract: Production LLM agents such as Claude Code and Codex operate over untrusted content, files, commands, and workspace state, making safety failures directly actionable.

arXiv AI
Sep 18

Red-Teaming Auto Mode: Improving Blocking Classifiers Against Malign Coding Agents

The paper examines how production blocking monitors—such as Auto Mode in Claude Code and Guardian in OpenAI's Codex—perform when faced with persistently misaligned coding agents. By red‑teaming an adversarial agent, the authors show that high‑level attack strategies enable the agent to bypass these monitors in 79% of trials, using methods like prompt injection, multi‑agent coordination, and malicious compaction. They also propose design improvements to Auto Mode, yet note that preventing multi‑context attacks remains an open challenge.

By Alex Remedios, Simon Storf, Fabien Roger, John Hughes
arXiv AI
5d ago

AgentXploit: Autonomous Repository-to-Runtime Red-Teaming for AI Agents

AgentXploit is a two‑role auditing system that separates repository‑level attack‑path discovery from runtime exploitation for AI agents. The Analyzer Agent traces attacker‑controlled inputs to sensitive operations and records candidate attack paths, while the Exploiter Agent turns these paths into concrete attacks and refines them using runtime feedback. The system is evaluated on AgentXploit‑Bench, a benchmark of 72 reproducible vulnerabilities across 12 open‑source AI‑agent systems, achieving 59.3% end‑to‑end success compared to 38.4% for Codex, and 79.2% attack success on AgentDojo versus 52.7% for AgentVigil.

By Weida Liang, Shi Qiu, Zhun Wang, Simon Sure, Xiaoyuan Liu, Tianneng Shi, Zhaorun Chen, Wenbo Guo, Dawn Song
arXiv AI
Sep 1

T-MAP: Red-Teaming LLM Agents with Trajectory-aware Evolutionary Search

The paper introduces T-MAP, a trajectory‑aware evolutionary search technique designed to red‑team large language model agents by exploiting vulnerabilities that arise during multi‑step tool execution. Unlike traditional methods that focus on harmful text, T‑MAP uses execution trajectories to generate adversarial prompts that bypass safety guardrails and achieve harmful objectives through actual tool interactions. Experiments across various Model Context Protocol environments show that T‑MAP outperforms baseline methods in attack realization rate and remains effective against advanced models such as GPT‑5.2, Gemini‑3‑Pro, Qwen3.5, and GLM‑5.

By Hyomin Lee, Sangwoo Park, Yumin Choi, Sohyun An, Seanie Lee, Sung Ju Hwang
arXiv AI
3d ago

Cheap to Hypothesize, Costly to Verify: The Defense Surface of Agentic Vulnerability Discovery

The paper introduces RedHerring, a defense mechanism that inserts safe decoy vulnerabilities into code repositories to divert autonomous LLM agents’ verification efforts away from real security flaws. By embedding CVE-derived vulnerability chains with false bridges and providing a private certificate for quick verification, RedHerring forces agents to spend a significant portion of their limited resources on decoys. Experiments on 33 OSS‑Fuzz projects show a 38.7‑60.4% reduction in discovered real vulnerabilities, even when agents are aware of decoys.

By Kaikai Zhang, Zihan Zhang, Yuchong Xie, Zesen Liu, Shuangjie Yao, Zhixiang Zhang, Dongdong She