{
  "cveId": "CVE-2026-18690",
  "url": "https://patchblox.com/security/cve/CVE-2026-18690",
  "summary": "CVE-2026-18690 is fixed in MongoDB on 1 platform by MongoDB 8.3.11 (version 8.3.11), released September 9, 2026. It is not reported as exploited. Patch Radar priority: High.",
  "title": "Improper Authorization in MongoDB Server Allows Unauthorized Actions on System Collections",
  "description": "An issue in MongoDB Server could allow an authenticated user with a limited database-scoped role to perform an action against protected system collections that their assigned privileges should not permit. This could result in critical system collections being dropped and recreated without proper authorization.",
  "published": "2026-08-11T19:17:22Z",
  "severity": "",
  "cvss": 7.2,
  "cwe": "CWE-863: Incorrect Authorization",
  "epss": 0.00406,
  "epssPercentile": 0.35132,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://nvd.nist.gov/vuln/detail/CVE-2026-18690",
  "fixes": [
    {
      "platform": "windows-app",
      "product": "MongoDB",
      "fixedVersion": "8.3.11",
      "fix": "MongoDB 8.3.11",
      "url": "https://patchblox.com/security/fix/windows-app/mongodb.server-8.3.11",
      "released": "2026-09-09T00:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T13:06:02Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}