{
 "id": "AIR-2026-1079",
 "slug": "cve-2026-45339-api-key-restriction-bypass-in-open-webui",
 "title": "CVE-2026-45339: API Key Restriction Bypass in Open WebUI",
 "summary": "An authentication header bypass in Open WebUI allows restricted API keys to access blocked message endpoints. The issue has been patched in version 0.9.0.",
 "type": "attack_on_ai",
 "categories": [
  "infra_vuln"
 ],
 "severity": 2,
 "targets": [
  "framework_or_tooling"
 ],
 "products": [
  "Open WebUI"
 ],
 "incident_date": "2026-05-15",
 "incident_date_precision": "day",
 "first_reported": "2026-05-15",
 "sources": [
  {
   "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-45339",
   "publisher": "NVD",
   "title": "CVE-2026-45339: Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline.",
   "published_at": "2026-05-15"
  }
 ],
 "source_count": 1,
 "confidence": 0.95,
 "status": "published",
 "origin": "seed_nvd",
 "tags": [
  "CVE-2026-45339",
  "authentication-bypass"
 ],
 "created_at": "2026-10-18T10:04:21.885Z",
 "updated_at": "2026-10-18T10:04:21.885Z"
}