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News/COGNITION: From Evaluation to Defense against Multimodal LLM CAPTCHA Solvers
arxiv
PublishedJune 15, 2026 at 4:00 AM
▼bearish

COGNITION: From Evaluation to Defense against Multimodal LLM CAPTCHA Solvers

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Publisher summary· verbatim

arXiv:2512.02318v4 Announce Type: replace-cross Abstract: This paper studies how multimodal large language models (MLLMs) undermine the security guarantees of visual CAPTCHA. We identify the attack surface where an adversary can cheaply automate CAPTCHA solving using off-the-shelf models. We evaluat

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Mentioned models
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  • 01
    multimodal large language models (MLLMs)
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arxiv
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Tags
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#security#captcha#adversarial-attacks#language-models

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Mentioned models
01
  • 01
    multimodal large language models (MLLMs)
Source
↗
arxiv
Read original ↗All from arxiv →
Tags
04
#security#captcha#adversarial-attacks#language-models

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