{
 "id": "AIR-2026-0531",
 "slug": "cve-2026-28786-open-webui-vulnerable-to-path-traversal-in-au",
 "title": "CVE-2026-28786: Open WebUI vulnerable to path traversal in audio endpoint",
 "summary": "An unsanitized filename field in Open WebUI's speech-to-text transcription endpoint permits information disclosure via a path traversal error message. Default deployments expose the absolute server data directory path in HTTP responses.",
 "type": "attack_on_ai",
 "categories": [
  "infra_vuln"
 ],
 "severity": 2,
 "targets": [
  "framework_or_tooling"
 ],
 "products": [
  "Open WebUI"
 ],
 "incident_date": "2026-03-27",
 "incident_date_precision": "day",
 "first_reported": "2026-03-27",
 "sources": [
  {
   "url": "https://github.com/advisories/GHSA-vvxm-vxmr-624h",
   "publisher": "GitHub Advisory Database",
   "title": "CVE-2026-28786: Open WebUI vulnerable to Path Traversal in `POST /api/v1/audio/transcriptions`",
   "published_at": "2026-03-27"
  },
  {
   "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-28786",
   "publisher": "NVD",
   "title": "CVE-2026-28786: Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline.",
   "published_at": "2026-03-27"
  }
 ],
 "source_count": 2,
 "confidence": 0.95,
 "status": "published",
 "origin": "seed_ghsa",
 "tags": [
  "CVE-2026-28786",
  "path-traversal",
  "open-webui"
 ],
 "created_at": "2026-10-18T07:00:14.101Z",
 "updated_at": "2026-10-18T10:04:21.885Z"
}