Indirect Prompt Injection
Embed malicious instructions in external data sources consumed by the agent via RAG or tool responses
Initial Access · Stage 2
Gain control over agent behavior through prompt manipulation or input exploitation
RAG-POISON
Injecting malicious content into retrieval-augmented generation data sources
Confirmed in real-world production systems or internet-wide exposure assessments.
RAGBot
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.
Every AgentPwn page is an indirect-injection surface delivered through consumed web content.
Evidence by source
Evidence timeline
Client fetched the canary embedded in APWN-PI-006 on agentpwn.com (prompt-injection tier 6; classified browser/claimed)
Client fetched the canary embedded in APWN-PI-006 on agentpwn.com (prompt-injection tier 6; classified browser/claimed)
Client fetched the canary embedded in APWN-PI-006 on agentpwn.com (prompt-injection tier 6; classified browser/claimed)
Client fetched the canary embedded in APWN-PI-006 on agentpwn.com (prompt-injection tier 6; classified browser/claimed)
Client fetched the canary embedded in APWN-PI-006 on agentpwn.com (prompt-injection tier 6; classified browser/claimed)
Client fetched the canary embedded in APWN-PI-006 on agentpwn.com (prompt-injection tier 6; classified browser/claimed)
Client fetched the canary embedded in APWN-PI-006 on agentpwn.com (prompt-injection tier 6; classified browser/claimed)
Client fetched the canary embedded in APWN-PI-006 on agentpwn.com (prompt-injection tier 6; classified browser/claimed)
Client fetched the canary embedded in APWN-PI-006 on agentpwn.com (prompt-injection tier 6; classified browser/claimed)
Client fetched the canary embedded in APWN-PI-006 on agentpwn.com (prompt-injection tier 6; classified browser/claimed)
Client fetched the canary embedded in APWN-PI-006 on agentpwn.com (prompt-injection tier 6; classified browser/claimed)
Client fetched the canary embedded in APWN-PI-006 on agentpwn.com (prompt-injection tier 6; classified browser/claimed)
Client fetched the canary embedded in APWN-PI-006 on agentpwn.com (prompt-injection tier 6; classified browser/claimed)
Client fetched the canary embedded in APWN-PI-006 on agentpwn.com (prompt-injection tier 6; classified browser/claimed)
Client fetched the canary embedded in APWN-PI-006 on agentpwn.com (prompt-injection tier 6; classified browser/claimed)
Client fetched the canary embedded in APWN-PI-006 on agentpwn.com (prompt-injection tier 6; classified llm_crawler/claimed)
Client fetched the canary embedded in APWN-PI-006 on agentpwn.com (prompt-injection tier 6; classified browser/claimed)
Client fetched the canary embedded in APWN-PI-006 on agentpwn.com (prompt-injection tier 6; classified llm_crawler/claimed)
Client fetched the canary embedded in APWN-PI-006 on agentpwn.com (prompt-injection tier 6; classified browser/claimed)
Client fetched the canary embedded in APWN-PI-006 on agentpwn.com (prompt-injection tier 6; classified browser/claimed)
Client fetched the canary embedded in APWN-PI-006 on agentpwn.com (prompt-injection tier 6; classified browser/claimed)
Client fetched the canary embedded in APWN-PI-006 on agentpwn.com (prompt-injection tier 6; classified browser/claimed)
Client fetched the canary embedded in APWN-PI-006 on agentpwn.com (prompt-injection tier 6; classified browser/claimed)
Client fetched the canary embedded in APWN-PI-006 on agentpwn.com (prompt-injection tier 6; classified browser/claimed)
Client fetched the canary embedded in APWN-PI-006 on agentpwn.com (prompt-injection tier 6; classified browser/claimed)
Detection · HackMyAgent
npx hackmyagent secure --ciLive = implemented in hackmyagent; queued = declaredDefense · OASB controls
How to cite
AI Agent Threat Matrix T-2002 (Indirect Prompt Injection). OpenA2A, 2026. https://threats.opena2a.org/techniques/T-2002