{
  "fix": "Node.js 26.5.1",
  "url": "https://patchblox.com/security/fix/windows-app/openjs.nodejs-26.5.1",
  "summary": "Node.js 26.5.1, released July 28, 2026, fixes 10 CVEs in Node.js. None of them is reported as exploited. Patch Radar priority: High. 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 26.5.1",
  "released": "2026-07-28T00:00:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2026-56848, high severity",
  "supported": true,
  "cveCount": 10,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00574,
  "maxCvss": 8.4,
  "appliesTo": [
    {
      "product": "Node.js",
      "productUrl": "https://patchblox.com/security/product/windows-app/node.js",
      "fixedVersion": "26.5.1",
      "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-2026-56848",
      "url": "https://patchblox.com/security/cve/CVE-2026-56848",
      "title": "Node.js and 2 others: Use After Free",
      "priority": "High",
      "severity": "high",
      "cvss": 7.5,
      "epss": 0.00574,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-58043",
      "url": "https://patchblox.com/security/cve/CVE-2026-58043",
      "title": "Node.js 22 and 2 others: Improper Access Control - Generic",
      "priority": "High",
      "severity": "high",
      "cvss": 8.4,
      "epss": 0.00138,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-58042",
      "url": "https://patchblox.com/security/cve/CVE-2026-58042",
      "title": "Node.js and 2 others: Uncontrolled Resource Consumption",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 5.9,
      "epss": 0.00369,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-58041",
      "url": "https://patchblox.com/security/cve/CVE-2026-58041",
      "title": "Node.js and 2 others: Time-of-check Time-of-use (TOCTOU) Race Condition",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 5.3,
      "epss": 0.00287,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-58040",
      "url": "https://patchblox.com/security/cve/CVE-2026-58040",
      "title": "Node.js and 2 others: Improper Validation of Certificate with Host Mismatch",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 6.3,
      "epss": 0.00278,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-58044",
      "url": "https://patchblox.com/security/cve/CVE-2026-58044",
      "title": "Node.js and 2 others: HTTP Request Smuggling",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 4.8,
      "epss": 0.00271,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-58045",
      "url": "https://patchblox.com/security/cve/CVE-2026-58045",
      "title": "Node.js and 2 others: Uncontrolled Resource Consumption",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 6.2,
      "epss": 0.00167,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-56847",
      "url": "https://patchblox.com/security/cve/CVE-2026-56847",
      "title": "Node.js 22 and 2 others: Excessive Use of Unconditional Branching",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 6.1,
      "epss": 0.00158,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-58039",
      "url": "https://patchblox.com/security/cve/CVE-2026-58039",
      "title": "Node.js and 2 others: Improper Access Control - Generic",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 4.4,
      "epss": 0.00155,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-56850",
      "url": "https://patchblox.com/security/cve/CVE-2026-56850",
      "title": "Node.js 22 and 2 others: Improper Authentication - Generic",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 4.4,
      "epss": 0.00084,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-08T06:59:42Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}