{
  "cveId": "CVE-2026-11933",
  "url": "https://patchblox.com/security/cve/CVE-2026-11933",
  "summary": "CVE-2026-11933 is fixed in MongoDB on 1 platform by MongoDB 8.3.4 (version 8.3.4), released June 11, 2026. It is not reported as exploited. Patch Radar priority: High.",
  "title": "Post-authentication use-after-free in server-side JavaScript BSON-to-array conversion",
  "description": "A use-after-free vulnerability exists in MongoDB Server\u0027s server-side JavaScript engine when converting BSON documents to JavaScript arrays. An authenticated user with read privileges who is able to run server-side JavaScript (for example, via $where or $function) can cause the server to access memory that has already been freed. This may result in disclosure of information from the mongod process memory or a denial of service through a server crash.",
  "published": "2026-06-12T02:16:38Z",
  "severity": "",
  "cvss": 8.7,
  "cwe": "CWE-787: Out-of-bounds Write",
  "epss": 0.00384,
  "epssPercentile": 0.32657,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://nvd.nist.gov/vuln/detail/CVE-2026-11933",
  "fixes": [
    {
      "platform": "windows-app",
      "product": "MongoDB",
      "fixedVersion": "8.3.4",
      "fix": "MongoDB 8.3.4",
      "url": "https://patchblox.com/security/fix/windows-app/mongodb.server-8.3.4",
      "released": "2026-06-11T00:00:00Z"
    }
  ],
  "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"
  }
}