{
 "public_id": "AIR-2026-0072",
 "incident_id": "2026-03-koi-glassworm-mcp",
 "date_disclosed": "2026-03-16",
 "date_occurred": null,
 "title": "GlassWorm's fifth wave moves into the MCP ecosystem via trojanized npm MCP servers",
 "class": "in_the_wild",
 "attack_surface": "mcp_server",
 "initial_vector": "malicious_mcp_server",
 "agent_capability_abused": [
  "credential_inheritance",
  "mcp_tool_execution"
 ],
 "target_product": "@iflow-mcp/watercrawl-watercrawl-mcp (all versions) and @aifabrix/miso-client 4.7.2 on npm",
 "target_vendor": "npm / third-party publishers",
 "autonomy_level": "semi_autonomous",
 "impact_realized": false,
 "impact_type": [
  "credential_theft",
  "malware_installation"
 ],
 "blast_radius": "npm consumers of the two trojanized MCP packages",
 "cve": [],
 "taxonomy": {
  "owasp_asi": [
   "ASI04",
   "ASI05",
   "ASI03",
   "ASI08"
  ],
  "mitre_atlas": [],
  "labels": [
   "supply_chain",
   "invisible_unicode",
   "worm",
   "mcp",
   "in_the_wild"
  ]
 },
 "defense_present": null,
 "defense_bypassed": true,
 "fix_shipped": null,
 "primary_sources": [
  "https://www.koi.ai/blog/glassworm-hits-mcp-5th-wave-with-new-delivery-techniques"
 ],
 "verified_quote": "This is GlassWorm's first confirmed move into the MCP ecosystem.",
 "confidence": "high",
 "notes": "Author Lotan Sery. Attacker forked the legitimate watercrawl-mcp repo, injected an invisible-unicode payload and republished under a purpose-made @iflow-mcp scope. Koi publishes no wave-5 victim count; earlier GlassWorm wave 2 had confirmed victims including a Middle Eastern government entity.",
 "risk_category": "security_fraud",
 "risk_secondary": [],
 "risk_subcategory": "Tool & Function Call Extraction / Abuse",
 "risk_sub_secondary": [
  "Prompt Injection",
  "Supply Chain Compromise",
  "Credential & Secret Theft",
  "Multi-agent contagion"
 ],
 "ai_entity": "generative",
 "agency": "agent_acted",
 "agency_debatable": true,
 "agency_reason": "agents ran the trojanized MCP servers, inheriting their credentials",
 "vector_family": "malicious_component",
 "vector_detail": "malicious_mcp_server",
 "guardrail_kind": [
  "unknown"
 ],
 "guardrail_outcome": "silent",
 "xrefs": {
  "aiid": [],
  "atlas": [],
  "cve": [],
  "ghsa": []
 },
 "primary_asi": "ASI04",
 "agent_framework": "mcp_server",
 "model_provider": "unknown",
 "model_name": "",
 "detection_mechanism": "external_researcher",
 "tool_access": "unknown",
 "financial_loss_band": "unknown",
 "eai_category": "credential_theft",
 "eai_domain": "access_control_and_permissions",
 "eai_secondary": [
  "supply_chain_vulnerabilities"
 ],
 "eai_reason": "impact rule: credential_theft",
 "asi_curated": [
  "ASI04"
 ],
 "asi_scope": "in_scope",
 "asi_provenance": "curated_plus_rule",
 "asi_reason": "curated: ASI04 | added ASI05 (impact=code_exec), ASI03 (eai_category=credential_theft), ASI08 (signal=cascade)",
 "submitted_by": "EAI Internal"
}