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Jia-Geng Zhang

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#artificial intelligence Preprint Aug 2026

StepTrigger: Contact-State-Triggered Backdoor Attacks on VLM-Powered Legged Robots

StepTrigger, a contact-state-triggered backdoor attack for VLM-powered legged robots, is presented, a contact-state-triggered backdoor attack for VLM-powered legged robots that reveals a backdoor surface in proprioceptive and contact channels that is not captured by defenses focused only on language, vision, or action...

Jia-Geng Zhang, Doniyorkhon Obidov, Kai-Chen Yang · 0 citations

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