{
 "id": "AIR-2026-1046",
 "slug": "langchain-url-validation-ssrf-vulnerability-in-htmlheadertex",
 "title": "LangChain URL validation SSRF vulnerability in HTMLHeaderTextSplitter",
 "summary": "An SSRF vulnerability was discovered in LangChain where redirect targets were not revalidated, enabling attackers to access internal or cloud metadata endpoints. A patch was released in langchain-text-splitters version 1.1.2.",
 "type": "attack_on_ai",
 "categories": [
  "infra_vuln"
 ],
 "severity": 2,
 "targets": [
  "framework_or_tooling"
 ],
 "products": [
  "LangChain",
  "langchain-text-splitters"
 ],
 "incident_date": "2026-04-24",
 "incident_date_precision": "day",
 "first_reported": "2026-04-24",
 "sources": [
  {
   "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-41481",
   "publisher": "NVD",
   "title": "CVE-2026-41481: LangChain is a framework for building agents and LLM-powered applications.",
   "published_at": "2026-04-24"
  }
 ],
 "source_count": 1,
 "confidence": 0.95,
 "status": "published",
 "origin": "seed_nvd",
 "tags": [
  "CVE-2026-41481",
  "ssrf",
  "langchain"
 ],
 "created_at": "2026-10-18T10:04:21.885Z",
 "updated_at": "2026-10-18T10:04:21.885Z"
}