{
 "id": "AIR-2026-0055",
 "slug": "cve-2026-70481-open-webui-authorization-flaw-in-standard-cha",
 "title": "CVE-2026-70481: Open WebUI authorization flaw in standard channel messages",
 "summary": "Standard channel message update and delete handlers in Open WebUI omitted authorship verification, letting ordinary participants modify others' posts. This vulnerability was fixed in version 0.11.0.",
 "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-2026-70481",
   "publisher": "NVD",
   "title": "CVE-2026-70481: 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-mj5r-jf49-m3w7",
   "publisher": "GitHub Advisory Database",
   "title": "CVE-2026-70481: Open WebUI: Any member with write access to a standard channel can edit or delete other members' messages",
   "published_at": "2026-08-04"
  }
 ],
 "source_count": 2,
 "confidence": 0.95,
 "status": "published",
 "origin": "seed_nvd",
 "tags": [
  "CVE-2026-70481",
  "infra_vuln",
  "authorization"
 ],
 "created_at": "2026-10-18T06:33:31.967Z",
 "updated_at": "2026-10-18T07:00:14.101Z"
}