{
 "id": "AIR-2026-0699",
 "slug": "cve-2026-45386-open-webui-idor-vulnerability-in-message-pinn",
 "title": "CVE-2026-45386: Open WebUI IDOR Vulnerability in Message Pinning API",
 "summary": "An insecure direct object reference vulnerability exists within the pin channel message endpoint of Open WebUI. Read-only users can improperly pin or unpin messages in standard channels.",
 "type": "attack_on_ai",
 "categories": [
  "infra_vuln"
 ],
 "severity": 2,
 "targets": [
  "framework_or_tooling"
 ],
 "products": [
  "Open WebUI"
 ],
 "incident_date": "2026-05-14",
 "incident_date_precision": "day",
 "first_reported": "2026-05-14",
 "sources": [
  {
   "url": "https://github.com/advisories/GHSA-5gc6-xhv4-2wg6",
   "publisher": "GitHub Advisory Database",
   "title": "CVE-2026-45386: Open WebUI has an IDOR vulnerability in the pin_channel_message API endpoint",
   "published_at": "2026-05-14"
  },
  {
   "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-45386",
   "publisher": "NVD",
   "title": "CVE-2026-45386: Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline.",
   "published_at": "2026-05-15"
  }
 ],
 "source_count": 2,
 "confidence": 0.95,
 "status": "published",
 "origin": "seed_ghsa",
 "tags": [
  "CVE-2026-45386",
  "idor",
  "access-control"
 ],
 "created_at": "2026-10-18T07:00:14.101Z",
 "updated_at": "2026-10-18T10:04:21.885Z"
}