Memory Injection
Inject malicious entries into agent memory to persist instructions across sessions
Persistence · Stage 6
Establish persistent access surviving restarts and session changes
MEM-POISON
Injecting malicious entries into agent persistent memory to maintain control across sessions
Reproduced in a controlled lab environment (DVAA) with documented steps.
L2-04
Reproductions in Damn Vulnerable AI Agent, the OpenA2A intentionally-broken agent for kill-chain validation.
Recent observations
Technique-attributed observations from the AgentPwn + TrapMyAgent fleet, classified into Threat Matrix techniques by the registry evidence bridge. See the Attack Prevalence Index for the full distribution.
AgentPwn coverage
An AgentPwn trap page produces a payload tagged with this technique class. Following the AgentPwn taxonomy of trap pages shows what an agent encounters.
Memory-injection tier persists instructions across sessions.
Evidence by source
Evidence timeline
Client fetched the canary embedded in APWN-MW-002 on agentpwn.com (memory-weaponization tier 2; classified llm_crawler/claimed)
Client fetched the canary embedded in APWN-MW-002 on agentpwn.com (memory-weaponization tier 2; classified browser/claimed)
Client fetched the canary embedded in APWN-MW-001 on agentpwn.com (memory-weaponization tier 1; classified browser/claimed)
Client fetched the canary embedded in APWN-MW-002 on agentpwn.com (memory-weaponization tier 2; classified browser/claimed)
Client fetched the canary embedded in APWN-MW-001 on agentpwn.com (memory-weaponization tier 1; classified browser/claimed)
Client fetched the canary embedded in APWN-MW-002 on agentpwn.com (memory-weaponization tier 2; classified browser/claimed)
Client fetched the canary embedded in APWN-MW-001 on agentpwn.com (memory-weaponization tier 1; classified browser/claimed)
Client fetched the canary embedded in APWN-MW-001 on agentpwn.com (memory-weaponization tier 1; classified llm_crawler/claimed)
Client fetched the canary embedded in APWN-MW-002 on agentpwn.com (memory-weaponization tier 2; classified browser/claimed)
Client fetched the canary embedded in APWN-MW-002 on agentpwn.com (memory-weaponization tier 2; classified browser/claimed)
Client fetched the canary embedded in APWN-MW-002 on agentpwn.com (memory-weaponization tier 2; classified browser/claimed)
Client fetched the canary embedded in APWN-MW-001 on agentpwn.com (memory-weaponization tier 1; classified browser/claimed)
Client fetched the canary embedded in APWN-MW-002 on agentpwn.com (memory-weaponization tier 2; classified browser/claimed)
Client fetched the canary embedded in APWN-MW-001 on agentpwn.com (memory-weaponization tier 1; classified browser/claimed)
Client fetched the canary embedded in APWN-MW-002 on agentpwn.com (memory-weaponization tier 2; classified browser/claimed)
Client fetched the canary embedded in APWN-MW-001 on agentpwn.com (memory-weaponization tier 1; classified browser/claimed)
Client fetched the canary embedded in APWN-MW-002 on agentpwn.com (memory-weaponization tier 2; classified browser/claimed)
Client fetched the canary embedded in APWN-MW-002 on agentpwn.com (memory-weaponization tier 2; classified browser/claimed)
Client fetched the canary embedded in APWN-MW-001 on agentpwn.com (memory-weaponization tier 1; classified browser/claimed)
Client fetched the canary embedded in APWN-MW-002 on agentpwn.com (memory-weaponization tier 2; classified browser/claimed)
Client fetched the canary embedded in APWN-MW-002 on agentpwn.com (memory-weaponization tier 2; classified llm_crawler/claimed)
Client fetched the canary embedded in APWN-MW-001 on agentpwn.com (memory-weaponization tier 1; classified browser/claimed)
Client fetched the canary embedded in APWN-MW-002 on agentpwn.com (memory-weaponization tier 2; classified browser/claimed)
Client fetched the canary embedded in APWN-MW-002 on agentpwn.com (memory-weaponization tier 2; classified llm_crawler/claimed)
Client fetched the canary embedded in APWN-MW-002 on agentpwn.com (memory-weaponization tier 2; classified browser/claimed)
Detection · HackMyAgent
npx hackmyagent secure --ciLive = implemented in hackmyagent; queued = declaredDefense · OASB controls
How to cite
AI Agent Threat Matrix T-6001 (Memory Injection). OpenA2A, 2026. https://threats.opena2a.org/techniques/T-6001