{
 "id": "AIR-2026-0501",
 "slug": "cve-2025-69196-fastmcp-oauth-proxy-token-reuse",
 "title": "CVE-2025-69196: FastMCP OAuth Proxy Token Reuse",
 "summary": "FastMCP OAuth Proxy fails to respect the resource parameter submitted during authorization, causing tokens to be improperly reused across MCP servers. The issue is documented in a security advisory with no active exploitation confirmed.",
 "type": "attack_on_ai",
 "categories": [
  "infra_vuln"
 ],
 "severity": 2,
 "targets": [
  "framework_or_tooling"
 ],
 "products": [
  "FastMCP"
 ],
 "incident_date": "2026-03-16",
 "incident_date_precision": "day",
 "first_reported": "2026-03-16",
 "sources": [
  {
   "url": "https://github.com/advisories/GHSA-5h2m-4q8j-pqpj",
   "publisher": "GitHub Advisory Database",
   "title": "CVE-2025-69196: FastMCP OAuth Proxy token reuse across MCP servers",
   "published_at": "2026-03-16"
  }
 ],
 "source_count": 1,
 "confidence": 0.95,
 "status": "published",
 "origin": "seed_ghsa",
 "tags": [
  "CVE-2025-69196",
  "oauth",
  "mcp",
  "fastmcp"
 ],
 "created_at": "2026-10-18T07:00:14.101Z",
 "updated_at": "2026-10-18T07:00:14.101Z"
}
