{
 "id": "AIR-2026-1426",
 "slug": "cve-2026-75128-langchain-chatchat-unauthenticated-tool-call",
 "title": "CVE-2026-75128: Langchain-Chatchat unauthenticated tool call endpoint allows arbitrary OS command execution",
 "summary": "Langchain-Chatchat through version 0.3.1.3 exposes an unauthenticated POST endpoint that lets remote attackers invoke registered tools including a shell tool. This flaw allows arbitrary OS command execution as the server user.",
 "type": "attack_on_ai",
 "categories": [
  "infra_vuln"
 ],
 "severity": 2,
 "targets": [
  "framework_or_tooling"
 ],
 "products": [
  "Langchain-Chatchat"
 ],
 "incident_date": "2026-10-20",
 "incident_date_precision": "day",
 "first_reported": "2026-10-20",
 "sources": [
  {
   "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-75128",
   "publisher": "NVD",
   "title": "CVE-2026-75128: Langchain-Chatchat through 0.3.1.3 exposes a POST /tools/call API endpoint that invokes any registered tool by name without…",
   "published_at": "2026-10-20"
  }
 ],
 "source_count": 1,
 "confidence": 0.95,
 "status": "published",
 "origin": "seed_nvd",
 "tags": [
  "CVE-2026-75128",
  "rce",
  "unauthenticated",
  "infra_vuln"
 ],
 "created_at": "2026-10-20T04:59:02.302Z",
 "updated_at": "2026-10-20T04:59:02.302Z"
}