{
 "id": "AIR-2025-0389",
 "slug": "langchain-js-serialization-injection-vulnerability-cve-2025",
 "title": "LangChain JS serialization injection vulnerability CVE-2025-68665",
 "summary": "A serialization injection vulnerability in LangChain JS fails to escape objects containing lc keys during serialization. User-controlled data containing this structure is improperly treated as a legitimate LangChain object during deserialization.",
 "type": "attack_on_ai",
 "categories": [
  "infra_vuln"
 ],
 "severity": 2,
 "targets": [
  "framework_or_tooling"
 ],
 "products": [
  "LangChain JS"
 ],
 "incident_date": "2025-12-23",
 "incident_date_precision": "day",
 "first_reported": "2025-12-23",
 "sources": [
  {
   "url": "https://github.com/advisories/GHSA-r399-636x-v7f6",
   "publisher": "GitHub Advisory Database",
   "title": "CVE-2025-68665: LangChain serialization injection vulnerability enables secret extraction",
   "published_at": "2025-12-23"
  },
  {
   "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-68665",
   "publisher": "NVD",
   "title": "CVE-2025-68665: LangChain is a framework for building LLM-powered applications.",
   "published_at": "2025-12-23"
  }
 ],
 "source_count": 2,
 "confidence": 0.95,
 "status": "published",
 "origin": "seed_ghsa",
 "tags": [
  "CVE-2025-68665",
  "deserialization",
  "langchain"
 ],
 "created_at": "2026-10-18T07:00:14.101Z",
 "updated_at": "2026-10-18T10:04:21.885Z"
}