{
 "public_id": "AIR-2026-0179",
 "incident_id": "2026-08-berriai-litellm-llm-heist",
 "date_disclosed": "2026-08-03",
 "date_occurred": null,
 "title": "LLM Heist: hijacking a LiteLLM gateway for traffic interception, provider key theft and tool-call injection",
 "class": "responsible_disclosure",
 "attack_surface": "agent_framework",
 "initial_vector": "compromised_admin_credentials",
 "agent_capability_abused": [
  "model_routing",
  "tool_call_relay",
  "credential_handling",
  "credential_storage"
 ],
 "target_product": "LiteLLM proxy/gateway",
 "target_vendor": "BerriAI",
 "autonomy_level": "assistant",
 "impact_realized": false,
 "impact_type": [
  "credential_theft",
  "data_exfiltration",
  "tool_call_injection",
  "response_tampering",
  "traffic_interception"
 ],
 "blast_radius": "all inference traffic routed through a compromised LiteLLM gateway",
 "cve": [
  "CVE-2026-42271"
 ],
 "taxonomy": {
  "owasp_asi": [
   "ASI04",
   "ASI03"
  ],
  "mitre_atlas": [],
  "labels": [
   "supply_chain",
   "gateway_compromise",
   "tool_call_injection",
   "adversary_in_the_middle",
   "mitm",
   "llm_gateway"
  ]
 },
 "defense_present": "LiteLLM master key / proxy admin authentication",
 "defense_bypassed": true,
 "fix_shipped": "not stated; post describes post-compromise abuse of legitimate admin APIs",
 "primary_sources": [
  "https://embracethered.com/blog/posts/2026/hijacking-litellm-for-fun-and-profit/",
  "https://embracethered.com/blog/"
 ],
 "verified_quote": "Using nothing but legitimate LiteLLM management functionality, an attacker can reroute requests, observe resolved provider credentials, collect prompts and responses, and modify requests or responses, including tool calls.",
 "confidence": "high",
 "notes": "Johann Rehberger. Post also references a March 2026 PyPI package compromise and an Obsidian Security privilege-escalation disclosure; those are separate leads not verified here. Also reported as: 'LLM Heist: hijacking LiteLLM for traffic interception, key theft and tool-call injection'.",
 "risk_category": "security_fraud",
 "risk_secondary": [
  "privacy"
 ],
 "risk_subcategory": "Tool & Function Call Extraction / Abuse",
 "risk_sub_secondary": [
  "Supply Chain Compromise",
  "Credential & Secret Theft"
 ],
 "ai_entity": "generative",
 "agency": "ai_as_target",
 "agency_debatable": false,
 "agency_reason": "compromised admin credentials on the LLM gateway",
 "vector_family": "other",
 "vector_detail": "compromised_admin_credentials",
 "guardrail_kind": [
  "authentication"
 ],
 "guardrail_outcome": "silent",
 "xrefs": {
  "aiid": [],
  "atlas": [],
  "cve": [
   "CVE-2026-42271"
  ],
  "ghsa": []
 },
 "primary_asi": "ASI04",
 "agent_framework": "unknown",
 "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": [
  "data_exfiltration_channels",
  "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 ASI03 (eai_category=credential_theft)",
 "submitted_by": "EAI Internal"
}