{
 "id": "AIR-2026-1183",
 "slug": "cve-2026-56398-stored-xss-vulnerability-in-open-webui-oauth",
 "title": "CVE-2026-56398: Stored XSS vulnerability in Open WebUI OAuth flow",
 "summary": "Open WebUI before version 0.9.5 contains a stored cross-site scripting vulnerability during the OAuth authentication flow. The flaw enables script execution to steal tokens and achieve account takeover, though no active exploitation is confirmed.",
 "type": "attack_on_ai",
 "categories": [
  "infra_vuln"
 ],
 "severity": 2,
 "targets": [
  "framework_or_tooling"
 ],
 "products": [
  "Open WebUI"
 ],
 "incident_date": "2026-07-15",
 "incident_date_precision": "day",
 "first_reported": "2026-07-15",
 "sources": [
  {
   "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-56398",
   "publisher": "NVD",
   "title": "CVE-2026-56398: Open WebUI before 0.9.5 contains a stored cross-site scripting vulnerability in the OAuth authentication flow where the picture…",
   "published_at": "2026-07-15"
  }
 ],
 "source_count": 1,
 "confidence": 0.95,
 "status": "published",
 "origin": "seed_nvd",
 "tags": [
  "CVE-2026-56398",
  "xss",
  "account-takeover"
 ],
 "created_at": "2026-10-18T10:04:21.885Z",
 "updated_at": "2026-10-18T10:04:21.885Z"
}