15 Threats to the Security of AI Agents in 2026 - AIMultiple

The article highlights advanced threats to AI agents, including "Shadow Escape," a zero-click exploit targeting Model Context Protocol (MCP) based systems that enables workflow hijacking and data exfiltration. Another critical vulnerability involves "ASCII Smuggling," where hidden malicious prompts embedded in files lead to remote code execution and sensitive data exfiltration by deceiving LLMs like Claude.