Beyond the Verdict: Evidence-Aligned Evaluation of Visual Prompt-Injection Guardrails
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arXiv:2609.05535v1 Announce Type: new Abstract: Verdict-only evaluation does not reveal whether a vision-language model (VLM) used the visual evidence that should support its decision. We study this problem in web-agent guardrails, where a VLM judges whether on-screen text conflicts with a user ins…
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- 2026-09-09 04:00 · arXiv cs.CV
Beyond the Verdict: Evidence-Aligned Evaluation of Visual Prompt-Injection Guardrails