{
  "fix": "Node.js 26.3.1",
  "url": "https://patchblox.com/security/fix/windows-app/openjs.nodejs-26.3.1",
  "summary": "Node.js 26.3.1, released June 17, 2026, fixes 12 CVEs in Node.js. None of them is reported as exploited. Patch Radar priority: Urgent. The latest Node.js is 26.12.1, which also fixes every one of these CVEs.",
  "platform": "windows-app",
  "type": "app-version",
  "title": "Node.js 26.3.1",
  "released": "2026-06-17T00:00:00Z",
  "priority": "Urgent",
  "priorityTier": 2,
  "priorityReason": "Closes CVE-2026-48930, rated Critical",
  "supported": true,
  "cveCount": 12,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.03711,
  "maxCvss": 9.8,
  "appliesTo": [
    {
      "product": "Node.js",
      "productUrl": "https://patchblox.com/security/product/windows-app/node.js",
      "fixedVersion": "26.3.1",
      "latestVersion": "26.12.1",
      "supported": true
    }
  ],
  "supersededBy": {
    "product": "Node.js",
    "latestVersion": "26.12.1",
    "productUrl": "https://patchblox.com/security/product/windows-app/node.js"
  },
  "cves": [
    {
      "cveId": "CVE-2026-48930",
      "url": "https://patchblox.com/security/cve/CVE-2026-48930",
      "title": "Node.js and 2 others: Improper Access Control - Generic",
      "priority": "Urgent",
      "severity": "critical",
      "cvss": 9.8,
      "epss": 0.00315,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-48933",
      "url": "https://patchblox.com/security/cve/CVE-2026-48933",
      "title": "Node.js and 2 others: Integer Overflow",
      "priority": "High",
      "severity": "high",
      "cvss": 8.1,
      "epss": 0.03711,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-48618",
      "url": "https://patchblox.com/security/cve/CVE-2026-48618",
      "title": "Node.js and 2 others: Improper Handling of Unicode Encoding",
      "priority": "High",
      "severity": "medium",
      "cvss": 8.1,
      "epss": 0.03139,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-48619",
      "url": "https://patchblox.com/security/cve/CVE-2026-48619",
      "title": "Node.js and 2 others: Uncontrolled Resource Consumption",
      "priority": "High",
      "severity": "high",
      "cvss": 8.1,
      "epss": 0.00639,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-48615",
      "url": "https://patchblox.com/security/cve/CVE-2026-48615",
      "title": "Node.js and 2 others: Privacy Violation",
      "priority": "High",
      "severity": "high",
      "cvss": 8.1,
      "epss": 0.00403,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-48617",
      "url": "https://patchblox.com/security/cve/CVE-2026-48617",
      "title": "Node.js 22 and 2 others: Improper Access Control - Generic",
      "priority": "High",
      "severity": "high",
      "cvss": 8.2,
      "epss": 0.00317,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-48934",
      "url": "https://patchblox.com/security/cve/CVE-2026-48934",
      "title": "Node.js and 2 others: Improper Certificate Validation",
      "priority": "High",
      "severity": "medium",
      "cvss": 8.1,
      "epss": 0.00258,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-48928",
      "url": "https://patchblox.com/security/cve/CVE-2026-48928",
      "title": "Node.js and 2 others: Improper Access Control - Generic",
      "priority": "High",
      "severity": "medium",
      "cvss": 8.1,
      "epss": 0.00216,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-48935",
      "url": "https://patchblox.com/security/cve/CVE-2026-48935",
      "title": "Node.js and 2 others: Incorrect Default Permissions",
      "priority": "High",
      "severity": "low",
      "cvss": 8.1,
      "epss": 0.00185,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-48931",
      "url": "https://patchblox.com/security/cve/CVE-2026-48931",
      "title": "Node.js and 2 others: Time-of-check Time-of-use (TOCTOU) Race Condition",
      "priority": "Routine",
      "severity": "low",
      "cvss": 3.7,
      "epss": 0.00323,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-48932",
      "url": "https://patchblox.com/security/cve/CVE-2026-48932",
      "title": "Node.js and 2 others: HTTP Request Smuggling",
      "priority": "Routine",
      "severity": "low",
      "cvss": 3.7,
      "epss": 0.00271,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-48936",
      "url": "https://patchblox.com/security/cve/CVE-2026-48936",
      "title": "Node.js: Improper Access Control - Generic",
      "priority": "Routine",
      "cvss": 3.3,
      "epss": 0.00135,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "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"
  }
}