{
 "id": "AIR-2026-1115",
 "slug": "cve-2026-49257-mcp-pinot-exposes-unauthenticated-http-mcp-se",
 "title": "CVE-2026-49257: mcp-pinot exposes unauthenticated HTTP MCP server by default",
 "summary": "The mcp-pinot Model Context Protocol server defaults to running an unauthenticated HTTP server bound to all interfaces. This creates a confused deputy condition granting network callers full read and write access.",
 "type": "attack_on_ai",
 "categories": [
  "infra_vuln"
 ],
 "severity": 2,
 "targets": [
  "framework_or_tooling"
 ],
 "products": [
  "mcp-pinot"
 ],
 "incident_date": "2026-06-18",
 "incident_date_precision": "day",
 "first_reported": "2026-06-18",
 "sources": [
  {
   "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-49257",
   "publisher": "NVD",
   "title": "CVE-2026-49257: mcp-pinot is a Python-based Model Context Protocol (MCP) server for interacting with Apache Pinot.",
   "published_at": "2026-06-18"
  }
 ],
 "source_count": 1,
 "confidence": 0.95,
 "status": "published",
 "origin": "seed_nvd",
 "tags": [
  "CVE-2026-49257",
  "mcp-pinot",
  "authentication-bypass"
 ],
 "created_at": "2026-10-18T10:04:21.885Z",
 "updated_at": "2026-10-18T10:04:21.885Z"
}