Cross-Agent Privilege Escalation - ATR-2026-00074 (1b5085e8-f8b7-5d0d-92f9-2babd77f18e1)
Detects agents using inter-agent communication channels to escalate privileges beyond their authorized scope. Attackers exploit multi-agent architectures by having a compromised or lower-privilege agent forward credentials, assume roles of higher-privilege agents, or bypass orchestrator controls through direct agent-to-agent messaging. This enables lateral movement across agent boundaries and unauthorized access to restricted tools or data.