CHAI: Command Hijacking against embodied AI

Fuente: arXiv
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Autori principali: Burbano, Luis, Ortiz, Diego, Sun, Qi, Yang, Siwei, Tu, Haoqin, Xie, Cihang, Cao, Yinzhi, Cardenas, Alvaro A
Natura: Preprint
Pubblicazione: 2025
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author Burbano, Luis
Ortiz, Diego
Sun, Qi
Yang, Siwei
Tu, Haoqin
Xie, Cihang
Cao, Yinzhi
Cardenas, Alvaro A
author_facet Burbano, Luis
Ortiz, Diego
Sun, Qi
Yang, Siwei
Tu, Haoqin
Xie, Cihang
Cao, Yinzhi
Cardenas, Alvaro A
contents Embodied Artificial Intelligence (AI) promises to handle edge cases in robotic vehicle systems where data is scarce by using common-sense reasoning grounded in perception and action to generalize beyond training distributions and adapt to novel real-world situations. These capabilities, however, also create new security risks. In this paper, we introduce CHAI (Command Hijacking against embodied AI), a physical environment indirect prompt injection attack that exploits the multimodal language interpretation abilities of AI models. CHAI embeds deceptive natural language instructions, such as misleading signs, in visual input, systematically searches the token space, builds a dictionary of prompts, and guides an attacker model to generate Visual Attack Prompts. We evaluate CHAI on four LVLM agents: drone emergency landing, autonomous driving, aerial object tracking, and on a real robotic vehicle. Our experiments show that CHAI consistently outperforms state-of-the-art attacks. By exploiting the semantic and multimodal reasoning strengths of next-generation embodied AI systems, CHAI underscores the urgent need for defenses that extend beyond traditional adversarial robustness.
format Preprint
id arxiv_https___arxiv_org_abs_2510_00181
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle CHAI: Command Hijacking against embodied AI
Burbano, Luis
Ortiz, Diego
Sun, Qi
Yang, Siwei
Tu, Haoqin
Xie, Cihang
Cao, Yinzhi
Cardenas, Alvaro A
Cryptography and Security
Artificial Intelligence
Machine Learning
Embodied Artificial Intelligence (AI) promises to handle edge cases in robotic vehicle systems where data is scarce by using common-sense reasoning grounded in perception and action to generalize beyond training distributions and adapt to novel real-world situations. These capabilities, however, also create new security risks. In this paper, we introduce CHAI (Command Hijacking against embodied AI), a physical environment indirect prompt injection attack that exploits the multimodal language interpretation abilities of AI models. CHAI embeds deceptive natural language instructions, such as misleading signs, in visual input, systematically searches the token space, builds a dictionary of prompts, and guides an attacker model to generate Visual Attack Prompts. We evaluate CHAI on four LVLM agents: drone emergency landing, autonomous driving, aerial object tracking, and on a real robotic vehicle. Our experiments show that CHAI consistently outperforms state-of-the-art attacks. By exploiting the semantic and multimodal reasoning strengths of next-generation embodied AI systems, CHAI underscores the urgent need for defenses that extend beyond traditional adversarial robustness.
title CHAI: Command Hijacking against embodied AI
topic Cryptography and Security
Artificial Intelligence
Machine Learning
url https://arxiv.org/abs/2510.00181