Extreme TLDR: A new attack method, “agent session smuggling,” exploits AI agents' communication protocols (A2A) to inject harmful instructions during ongoing sessions, allowing malicious agents to manipulate and deceive victim agents. This dynamic threat leverages trust relationships and stateful interactions, making detection difficult. Mitigation strategies include human oversight, remote party verification, and context awareness. The research emphasizes the need for advanced security tools and proactive assessments to safeguard AI environments against evolving threats.
https://unit42.paloaltonetworks.com/agent-session-smuggling-in-agent2agent-systems/