OASB
Attacks/Persistent Agent Security/PERSIST-009
CRITICALCWE-384

PERSIST-009 Session Fixation via Memory Replay

Persistent Agent Security: Attacks that persist across agent sessions via memory poisoning, state tampering, or cached context injection

Description

Replays a crafted session history to fixate the agent into a compromised state, bypassing normal initialization

Remediation

Validate session integrity with cryptographic signatures. Reject session histories containing system role messages from untrusted sources. Re-apply safety initialization regardless of restored session state.

Severity

CRITICAL

OASB Control

8.1

CWE

CWE-384