{
  "fix": "Go Programming Language 1.26.1",
  "url": "https://patchblox.com/security/fix/windows-app/golang.go-1.26.1",
  "summary": "Go Programming Language 1.26.1, released March 5, 2026, fixes 6 CVEs in Go Programming Language. None of them is reported as exploited. Patch Radar priority: High. The latest Go Programming Language is 1.27.4, which also fixes every one of these CVEs.",
  "platform": "windows-app",
  "type": "app-version",
  "title": "Go Programming Language 1.26.1",
  "released": "2026-03-05T00:00:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2025-68121, high severity",
  "supported": true,
  "cveCount": 6,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00902,
  "maxCvss": 10,
  "appliesTo": [
    {
      "product": "Go Programming Language",
      "productUrl": "https://patchblox.com/security/product/windows-app/go-programming-language",
      "fixedVersion": "1.26.1",
      "latestVersion": "1.27.4",
      "supported": true
    }
  ],
  "supersededBy": {
    "product": "Go Programming Language",
    "latestVersion": "1.27.4",
    "productUrl": "https://patchblox.com/security/product/windows-app/go-programming-language"
  },
  "cves": [
    {
      "cveId": "CVE-2025-68121",
      "url": "https://patchblox.com/security/cve/CVE-2025-68121",
      "title": "Unexpected session resumption in crypto/tls",
      "priority": "High",
      "severity": "Important",
      "cvss": 10,
      "epss": 0.00902,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-25679",
      "url": "https://patchblox.com/security/cve/CVE-2026-25679",
      "title": "Incorrect parsing of IPv6 host literals in net/url",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.1,
      "epss": 0.00827,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-27137",
      "url": "https://patchblox.com/security/cve/CVE-2026-27137",
      "title": "Incorrect enforcement of email constraints in crypto/x509",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 9.1,
      "epss": 0.00661,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-27142",
      "url": "https://patchblox.com/security/cve/CVE-2026-27142",
      "title": "URLs in meta content attribute actions are not escaped in html/template",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.00374,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-27138",
      "url": "https://patchblox.com/security/cve/CVE-2026-27138",
      "title": "Panic in name constraint checking for malformed certificates in crypto/x509",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 5.9,
      "epss": 0.00382,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-27139",
      "url": "https://patchblox.com/security/cve/CVE-2026-27139",
      "title": "FileInfo can escape from a Root in os",
      "priority": "Routine",
      "severity": "Low",
      "cvss": 2.5,
      "epss": 0.00219,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-11T13:47:35Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}