You Told Me to Do It: Measuring Instructional Text-induced Private Data Leakage in LLM Agents
High-privilege LLM agents that autonomously process external documentation are increasingly trusted to automate tasks by reading and executing project instructions, yet they are granted terminal access, filesystem control, and outbound network connectivity with minimal security oversight. We identify and systematically measure a fundamental vulnerability in this trust model, which we term the \emph{Trusted Executor Dilemma}: agents execute documentation-embedded instructions, including adversarial ones, at high rates because they cannot distinguish malicious directives from legitimate setup guidance. This vulnerability is a structural consequence of the instruction-following design paradi...
| Authors | Ching-Yu Kao, Xinfeng Li, Shenyu Dai et al. |
|---|---|
| Primary category | cs.CR |
| Published | 12 March 2026 |
| Last updated at source | 12 March 2026 |
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