A Hidden Line of Website Text Can Turn AWS Kiro Into a Remote Code Execution Tool

A recently disclosed vulnerability in AWS Kiro, an AI-powered Integrated Development Environment (IDE), reveals how a hidden line of text on a webpage can be exploited for remote code execution on a developer’s machine, bypassing the platform’s security model. Kiro operates on a “human-in-the-loop” principle, requiring user approval for potentially dangerous actions like executing shell commands or modifying sensitive files. This approval aims to maintain human control over AI actions. However, researchers have shown that this security boundary can be silently bypassed via a prompt injection attack from external content. The vulnerability stems from how large language models (LLMs) process input. Unlike traditional...

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