{
 "public_id": "AIR-2026-0188",
 "incident_id": "2026-08-zenity-skill-supply-chain-campaign",
 "date_disclosed": "2026-08-06",
 "date_occurred": "2026-08-02",
 "title": "Typosquatted agent skills and trojanized PyPI packages deliver a second-stage credential harvester",
 "class": "in_the_wild",
 "attack_surface": "skill_plugin",
 "initial_vector": "malicious_marketplace_package",
 "agent_capability_abused": [
  "skill_setup_instructions",
  "remote_payload_fetch",
  "agent_host_credentials"
 ],
 "target_product": "skills.sh skills getpaperclipai/paperclip and browser-use-headless/browser-use-headless-skill; PyPI packages paperclip-ai 0.1.0/0.1.1 and browser-use-headless 0.1.4",
 "target_vendor": "skills.sh / PyPI",
 "autonomy_level": "semi_autonomous",
 "impact_realized": false,
 "impact_type": [
  "credential_theft",
  "malware_installation"
 ],
 "blast_radius": "More than 1.7M aggregate installs across the skill family by 2026-08-02",
 "cve": [],
 "taxonomy": {
  "owasp_asi": [
   "ASI04",
   "ASI05"
  ],
  "mitre_atlas": [],
  "labels": [
   "typosquatting",
   "remote_loader",
   "supply_chain",
   "in_the_wild"
  ]
 },
 "defense_present": null,
 "defense_bypassed": true,
 "fix_shipped": "Campaign disrupted after 2026-08-02; Zenity credits Vercel and Microsoft/GitHub for quick response",
 "primary_sources": [
  "https://labs.zenity.io/post/attackers-target-agents-via-the-skill-supply-chain"
 ],
 "verified_quote": "The skills were first weaponized when malicious setup-installation.md was added in seven skill paths, instructing agents to fetch and execute the remote payload.",
 "confidence": "high",
 "notes": "Author Michael Bargury (Zenity Labs). Install counts are aggregate across the skill family, not confirmed compromises, so impact_realized is left false; Zenity advises treating any agent host as compromised if the loader or stealer executed.",
 "risk_category": "security_fraud",
 "risk_secondary": [
  "product_misuse",
  "safety_harm"
 ],
 "risk_subcategory": "Supply Chain Compromise",
 "risk_sub_secondary": [
  "Credential & Secret Theft"
 ],
 "ai_entity": "generative",
 "agency": "agent_acted",
 "agency_debatable": false,
 "agency_reason": "the agents installed the typosquatted skills and fetched the second stage",
 "vector_family": "malicious_component",
 "vector_detail": "malicious_marketplace_package",
 "guardrail_kind": [
  "unknown"
 ],
 "guardrail_outcome": "silent",
 "xrefs": {
  "aiid": [],
  "atlas": [],
  "cve": [],
  "ghsa": []
 },
 "primary_asi": "ASI04",
 "agent_framework": "browser_use",
 "model_provider": "unknown",
 "model_name": "",
 "detection_mechanism": "external_researcher",
 "tool_access": "unknown",
 "financial_loss_band": "unknown",
 "eai_category": "supply_chain_vulnerabilities",
 "eai_domain": "tool_misuse",
 "eai_secondary": [
  "credential_theft"
 ],
 "eai_reason": "subcategory: Supply Chain Compromise",
 "asi_curated": [
  "ASI04"
 ],
 "asi_scope": "in_scope",
 "asi_provenance": "curated_plus_rule",
 "asi_reason": "curated: ASI04 | added ASI05 (impact=code_exec)",
 "submitted_by": "EAI Internal"
}