Analysis

A2A Protocol & Agent Security: Stopping the Confused Deputy Attack

Page published

Publication date unknown · First observed: 5 Nov 2026

Coverage timeline

5 Nov 2026youtube.comobserved

Single-source analysis — one report is available.

Why it matters

A2A agent delegation can separate an agent's technical permissions from the user's intended actions, making action-specific approval and execution-time authorization important defensive considerations.

Parag Dhawan's architectural overview examines A2A agent delegation and confused-deputy risks arising when agents hold broadly scoped OAuth tokens. The video describes an authorization design that binds human approval to immutable tool-call hashes using signed delegation receipts, with execution gateways checking workload identity and receipt integrity.