{
  "cveId": "CVE-2026-4358",
  "url": "https://patchblox.com/security/cve/CVE-2026-4358",
  "summary": "CVE-2026-4358 is fixed in MongoDB on 1 platform by MongoDB 8.2.6 (version 8.2.6), released February 25, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "Memory safety issues in slot-based execution hash table spill",
  "description": "A specially crafted aggregation query with $lookup by an authenticated user with write privileges can cause a double-free or use-after-free memory issue in the slot-based execution (SBE) engine when an in-memory hash table is spilled to disk.",
  "published": "2026-03-17T20:16:15Z",
  "severity": "",
  "cvss": 6.1,
  "cwe": "CWE-415: Double free",
  "epss": 0.00363,
  "epssPercentile": 0.30307,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://nvd.nist.gov/vuln/detail/CVE-2026-4358",
  "fixes": [
    {
      "platform": "windows-app",
      "product": "MongoDB",
      "fixedVersion": "8.2.6",
      "fix": "MongoDB 8.2.6",
      "url": "https://patchblox.com/security/fix/windows-app/mongodb.server-8.2.6",
      "released": "2026-02-25T00:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T00:53:09Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}