Supply Chain Compromise
Compromise upstream dependencies, plugins, or MCP servers to affect all downstream agents
Tactic
Impact (Stage 9)
Modify data, deploy malicious code, or disrupt services
Attack Class
ORG-SKILL-SPREAD
Propagating malicious capabilities across an organization's agent fleet through shared skills and registries
Evidence
Confirmed in real-world production systems or internet-wide exposure assessments.
DVAA Validation
Reproductions in Damn Vulnerable AI Agent, the OpenA2A intentionally-broken agent for kill-chain validation.
mcp-rug-pull
Honeypot Coverage (AgentPwn)
In scope for honeypot observation; trap page or telemetry hook not yet built.
Evidence Source Breakdown
Evidence Timeline
HMA check DEP-004 failed on fake-vulnerable-agent
HMA check DEP-004 failed on fake-vulnerable-agent
HMA check SUPPLY-001 failed on opena2a/code-review-skill
HMA check SUPPLY-001 failed on opena2a/code-review-skill
HMA check DEP-004 failed on fake-vulnerable-agent
HMA check SUPPLY-001 failed on damn-vulnerable-ai-agent
HMA check SUPPLY-001 failed on hackmyagent-release-test-vplv
HMA check DEP-004 failed on @modelcontextprotocol/ext-apps
Detection (HackMyAgent)
npx hackmyagent secure --ciLive = check implemented in hackmyagent; queued = declared, not yet implementedDefense (OASB Controls)
How to Cite
AI Agent Threat Matrix T-9006 (Supply Chain Compromise). OpenA2A, 2026. https://threats.opena2a.org/techniques/T-9006