{
 "id": "AIR-2026-1062",
 "slug": "cve-2026-7845-weak-hash-usage-flaw-in-langchain-chatchat",
 "title": "CVE-2026-7845: Weak hash usage flaw in Langchain-Chatchat",
 "summary": "A flaw involving weak hash usage was discovered in the vision chat component of Langchain-Chatchat. Local network access and high complexity are required to exploit the issue.",
 "type": "attack_on_ai",
 "categories": [
  "infra_vuln"
 ],
 "severity": 2,
 "targets": [
  "framework_or_tooling"
 ],
 "products": [
  "Langchain-Chatchat"
 ],
 "incident_date": "2026-05-05",
 "incident_date_precision": "day",
 "first_reported": "2026-05-05",
 "sources": [
  {
   "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-7845",
   "publisher": "NVD",
   "title": "CVE-2026-7845: A flaw has been found in chatchat-space Langchain-Chatchat up to 0.3.1.3.",
   "published_at": "2026-05-05"
  }
 ],
 "source_count": 1,
 "confidence": 0.95,
 "status": "published",
 "origin": "seed_nvd",
 "tags": [
  "CVE-2026-7845",
  "weak-hash"
 ],
 "created_at": "2026-10-18T10:04:21.885Z",
 "updated_at": "2026-10-18T10:04:21.885Z"
}