Preprint
Aug 2026
Hijacking Robots with a Piece of Paper: A Systematic Study of Physical Prompt Injection in VLM-Controlled Robots
This work presents a systematic study of physical prompt injection attacks against VLM-controlled sorting, introducing a four-category taxonomy, indirect signage, task redefinition, authority impersonation, and conflict injection, instantiated as a benchmark.
S. Samarakoon, M. V. J. Muthugala, W. K. R. Sachinthana et al.
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