OASB
Attacks/A2A Attack/A2A-009
CRITICALCWE-269

A2A-009 A2A Chain Attack

A2A Attack: Attempts to exploit agent-to-agent messaging (identity spoofing, delegation abuse)

Description

Chains multiple A2A agents to escalate privileges

Remediation

Validate authorization at each hop in delegation chains. Block transitive privilege escalation.

Severity

CRITICAL

OASB Control

5.2

CWE

CWE-269