{
 "id": "AIR-2026-0057",
 "slug": "cve-2026-70492-open-webui-stored-xss-vulnerability-in-math-b",
 "title": "CVE-2026-70492: Open WebUI stored XSS vulnerability in math block rendering",
 "summary": "A rendering error in Open WebUI's KaTeX component allowed malicious chat messages to execute arbitrary script code in viewers' browsers. A fix has been issued to prevent session token theft.",
 "type": "attack_on_ai",
 "categories": [
  "infra_vuln"
 ],
 "severity": 2,
 "targets": [
  "framework_or_tooling"
 ],
 "products": [
  "Open WebUI"
 ],
 "incident_date": "2026-08-04",
 "incident_date_precision": "day",
 "first_reported": "2026-08-04",
 "sources": [
  {
   "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-70492",
   "publisher": "NVD",
   "title": "CVE-2026-70492: Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform.",
   "published_at": "2026-08-04"
  },
  {
   "url": "https://github.com/advisories/GHSA-pwxh-7358-jq2x",
   "publisher": "GitHub Advisory Database",
   "title": "CVE-2026-70492: Open WebUI: Stored XSS via unescaped KaTeX render-error fallback in rendered messages",
   "published_at": "2026-08-04"
  }
 ],
 "source_count": 2,
 "confidence": 0.95,
 "status": "published",
 "origin": "seed_nvd",
 "tags": [
  "CVE-2026-70492",
  "infra_vuln",
  "xss"
 ],
 "created_at": "2026-10-18T06:33:31.967Z",
 "updated_at": "2026-10-18T07:00:14.101Z"
}