{
 "id": "AIR-2026-0495",
 "slug": "cve-2026-30821-flowise-arbitrary-file-upload-via-mime-spoofi",
 "title": "CVE-2026-30821: Flowise Arbitrary File Upload via MIME Spoofing",
 "summary": "Flowise implicitly trusts client-provided Content-Type headers for attachments, enabling arbitrary file uploads. A security update has been published.",
 "type": "attack_on_ai",
 "categories": [
  "infra_vuln"
 ],
 "severity": 2,
 "targets": [
  "framework_or_tooling"
 ],
 "products": [
  "Flowise"
 ],
 "incident_date": "2026-03-06",
 "incident_date_precision": "day",
 "first_reported": "2026-03-06",
 "sources": [
  {
   "url": "https://github.com/advisories/GHSA-j8g8-j7fc-43v6",
   "publisher": "GitHub Advisory Database",
   "title": "CVE-2026-30821: Flowise has Arbitrary File Upload via MIME Spoofing",
   "published_at": "2026-03-06"
  },
  {
   "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-30821",
   "publisher": "NVD",
   "title": "CVE-2026-30821: Flowise is a drag & drop user interface to build a customized large language model flow.",
   "published_at": "2026-03-07"
  }
 ],
 "source_count": 2,
 "confidence": 0.95,
 "status": "published",
 "origin": "seed_ghsa",
 "tags": [
  "CVE-2026-30821",
  "file_upload",
  "flowise"
 ],
 "created_at": "2026-10-18T07:00:14.101Z",
 "updated_at": "2026-10-18T10:04:21.885Z"
}
