{
 "id": "AIR-2026-0698",
 "slug": "cve-2026-45387-open-webui-system-prompt-exposure-via-shared",
 "title": "CVE-2026-45387: Open WebUI System Prompt Exposure via Shared Model Permissions",
 "summary": "A vulnerability in Open WebUI permits users with read access to shared models to view confidential system prompts. The issue impacts confidentiality across shared workspace configurations.",
 "type": "attack_on_ai",
 "categories": [
  "data_leak",
  "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-h2cw-7qw9-56xr",
   "publisher": "GitHub Advisory Database",
   "title": "CVE-2026-45387: Open WebUI: Sharing models for others to use (read permission) also exposes model details (system prompt leakage)",
   "published_at": "2026-05-14"
  },
  {
   "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-45387",
   "publisher": "NVD",
   "title": "CVE-2026-45387: 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-2026-45387",
  "system-prompt-leakage",
  "access-control"
 ],
 "created_at": "2026-10-18T07:00:14.101Z",
 "updated_at": "2026-10-18T10:04:21.885Z"
}