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Adversarial Hubness in Multi-Modal Retrieval
Hubness is a phenomenon in high-dimensional vector spaces where a single point from the natural distribution is unusually close to many …
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Controlled Generation of Natural Adversarial Documents for Stealthy Retrieval Poisoning

Recent work showed that retrieval based on embedding similarity (e.g., for retrieval-augmented generation) is vulnerable to poisoning: …

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Soft Prompts Go Hard: Steering Visual Language Models with Hidden Meta-Instructions
We introduce a new type of indirect injection vulnerabilities in language models that operate on images: hidden meta-instructions that …
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