SPILLWAY: Separating Target Admission from Sanitization to Defend Tool-Using Agents against Prompt Injection

Reported by arXiv cs.CR (Woosang Lim (SAINT Machines, KAIST), Yeseul Chang (Chung-Ang University), Jaewoo Lee (Chung-Ang University))

Summary by Cyber Security News6 Nov 2026, 06:00 CET

About this summary. This is a short excerpt from the description that arXiv cs.CR published with its article. Cyber Security News did not report or verify the underlying story. Read the original: https://arxiv.org/abs/2611.07222

arXiv:2611.07222v1 Announce Type: new Abstract: Tool-using agents act on email, files, and payments, so an instruction hidden in a web page or a shared document can make an agent send data or money to an attacker. Many runtime defenses put a language model on the decision that lets an action through, so the decision depends on a model that may read the attacker's text and adds model calls to every step.

Read the full article at arXiv cs.CR →

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