OASB
Attacks/A2A Attack/A2A-010
HIGHCWE-294

A2A-010 A2A Message Replay Probe

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

Description

Tests if agents accept replayed/stale messages

Remediation

Implement message expiry and nonce validation. Reject stale or replayed messages.

Severity

HIGH

OASB Control

5.1

CWE

CWE-294
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