QueryIPI: Query-agnostic Indirect Prompt Injection on Coding Agents

Fuente: arXiv
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Autori principali: Xie, Yuchong, Liu, Zesen, Luo, Mingyu, Zhang, Zhixiang, Zhang, Kaikai, Yuan, Yuanyuan, Li, Zongjie, Chen, Ping, Wang, Shuai, She, Dongdong
Natura: Preprint
Pubblicazione: 2025
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author Xie, Yuchong
Liu, Zesen
Luo, Mingyu
Zhang, Zhixiang
Zhang, Kaikai
Yuan, Yuanyuan
Li, Zongjie
Chen, Ping
Wang, Shuai
She, Dongdong
author_facet Xie, Yuchong
Liu, Zesen
Luo, Mingyu
Zhang, Zhixiang
Zhang, Kaikai
Yuan, Yuanyuan
Li, Zongjie
Chen, Ping
Wang, Shuai
She, Dongdong
contents Modern coding agents integrated into IDEs orchestrate powerful tools and high-privilege system access, creating a high-stakes attack surface. Prior work on Indirect Prompt Injection (IPI) is mainly query-specific, requiring particular user queries as triggers and leading to poor generalizability. We propose query-agnostic IPI, a new attack paradigm that reliably executes malicious payloads under arbitrary user queries. Our key insight is that malicious payloads should leverage the invariant prompt context (i.e., system prompt and tool descriptions) rather than variant user queries. We present QueryIPI, an automated framework that uses tool descriptions as optimizable payloads and refines them via iterative, prompt-based blackbox optimization. QueryIPI leverages system invariants for initial seed generation aligned with agent conventions, and iterative reflection to resolve instruction-following failures and safety refusals. Experiments on five simulated agents show that QueryIPI achieves up to 87% success rate, outperforming the best baseline (50%). Crucially, generated malicious descriptions transfer to real-world coding agents, highlighting a practical security risk.
format Preprint
id arxiv_https___arxiv_org_abs_2510_23675
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle QueryIPI: Query-agnostic Indirect Prompt Injection on Coding Agents
Xie, Yuchong
Liu, Zesen
Luo, Mingyu
Zhang, Zhixiang
Zhang, Kaikai
Yuan, Yuanyuan
Li, Zongjie
Chen, Ping
Wang, Shuai
She, Dongdong
Cryptography and Security
Artificial Intelligence
Modern coding agents integrated into IDEs orchestrate powerful tools and high-privilege system access, creating a high-stakes attack surface. Prior work on Indirect Prompt Injection (IPI) is mainly query-specific, requiring particular user queries as triggers and leading to poor generalizability. We propose query-agnostic IPI, a new attack paradigm that reliably executes malicious payloads under arbitrary user queries. Our key insight is that malicious payloads should leverage the invariant prompt context (i.e., system prompt and tool descriptions) rather than variant user queries. We present QueryIPI, an automated framework that uses tool descriptions as optimizable payloads and refines them via iterative, prompt-based blackbox optimization. QueryIPI leverages system invariants for initial seed generation aligned with agent conventions, and iterative reflection to resolve instruction-following failures and safety refusals. Experiments on five simulated agents show that QueryIPI achieves up to 87% success rate, outperforming the best baseline (50%). Crucially, generated malicious descriptions transfer to real-world coding agents, highlighting a practical security risk.
title QueryIPI: Query-agnostic Indirect Prompt Injection on Coding Agents
topic Cryptography and Security
Artificial Intelligence
url https://arxiv.org/abs/2510.23675