{
 "id": "AIR-2025-0244",
 "slug": "open-webui-vulnerable-to-denial-of-service-via-starlette-dep",
 "title": "Open WebUI vulnerable to denial of service via starlette dependency",
 "summary": "Open WebUI contains a vulnerable starlette dependency through fastapi that allows memory exhaustion and denial of service. The issue has been addressed in updated framework versions.",
 "type": "attack_on_ai",
 "categories": [
  "infra_vuln"
 ],
 "severity": 2,
 "targets": [
  "framework_or_tooling"
 ],
 "products": [
  "open-webui",
  "fastapi",
  "starlette"
 ],
 "incident_date": "2025-03-20",
 "incident_date_precision": "day",
 "first_reported": "2025-03-20",
 "sources": [
  {
   "url": "https://github.com/advisories/GHSA-w466-2wfc-8g58",
   "publisher": "GitHub Advisory Database",
   "title": "GHSA-w466-2wfc-8g58: Open WebUI has vulnerable dependency on starlette via fastapi",
   "published_at": "2025-03-20"
  }
 ],
 "source_count": 1,
 "confidence": 0.95,
 "status": "published",
 "origin": "seed_ghsa",
 "tags": [
  "ghsa-w466-2wfc-8g58",
  "denial-of-service",
  "dependency"
 ],
 "created_at": "2026-10-18T07:00:14.101Z",
 "updated_at": "2026-10-18T07:00:14.101Z"
}
