{
 "id": "AIR-2026-0111",
 "slug": "cve-2026-55253-langchain-mongodb-integrations-vulnerable-to",
 "title": "CVE-2026-55253: LangChain MongoDB integrations vulnerable to query injection",
 "summary": "LangGraph and LangChain MongoDB integrations fail to properly sanitize filter dictionaries, allowing users to inject MongoDB query operators. This can lead to unauthorized data access or manipulation in multi-tenant deployments.",
 "type": "attack_on_ai",
 "categories": [
  "infra_vuln"
 ],
 "severity": 2,
 "targets": [
  "framework_or_tooling"
 ],
 "products": [
  "LangChain MongoDB",
  "langgraph-checkpoint-mongodb",
  "langgraph-store-mongodb"
 ],
 "incident_date": "2026-09-14",
 "incident_date_precision": "day",
 "first_reported": "2026-09-14",
 "sources": [
  {
   "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-55253",
   "publisher": "NVD",
   "title": "CVE-2026-55253: LangChain MongoDB provides integrations between MongoDB, Atlas, LangChain, and LangGraph.",
   "published_at": "2026-09-14"
  }
 ],
 "source_count": 1,
 "confidence": 0.95,
 "status": "published",
 "origin": "seed_nvd",
 "tags": [
  "CVE-2026-55253",
  "langchain",
  "langgraph",
  "mongodb",
  "query-injection"
 ],
 "created_at": "2026-10-18T06:33:31.967Z",
 "updated_at": "2026-10-18T06:33:31.967Z"
}