{
  "fix": "Go Programming Language 1.26.2",
  "url": "https://patchblox.com/security/fix/windows-app/golang.go-1.26.2",
  "summary": "Go Programming Language 1.26.2, released April 7, 2026, fixes 10 CVEs in Go Programming Language. None of them is reported as exploited. Patch Radar priority: Urgent. 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 1.26.2",
  "released": "2026-04-07T00:00:00Z",
  "priority": "Urgent",
  "priorityTier": 2,
  "priorityReason": "Closes CVE-2026-27140, rated Critical",
  "supported": true,
  "cveCount": 10,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.0067,
  "maxCvss": 9.8,
  "appliesTo": [
    {
      "product": "Go Programming Language",
      "productUrl": "https://patchblox.com/security/product/windows-app/go-programming-language",
      "fixedVersion": "1.26.2",
      "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-2026-27140",
      "url": "https://patchblox.com/security/cve/CVE-2026-27140",
      "title": "Code execution vulnerability in SWIG code generation in cmd/go",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 9.8,
      "epss": 0.0067,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-27143",
      "url": "https://patchblox.com/security/cve/CVE-2026-27143",
      "title": "Missing bound checks can lead to memory corruption in safe Go in cmd/compile",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 9.8,
      "epss": 0.00545,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-32283",
      "url": "https://patchblox.com/security/cve/CVE-2026-32283",
      "title": "Unauthenticated TLS 1.3 KeyUpdate record can cause persistent connection retention and DoS in crypto/tls",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 9.1,
      "epss": 0.00632,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-32280",
      "url": "https://patchblox.com/security/cve/CVE-2026-32280",
      "title": "Unexpected work during chain building in crypto/x509",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.1,
      "epss": 0.00626,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-32281",
      "url": "https://patchblox.com/security/cve/CVE-2026-32281",
      "title": "Inefficient policy validation in crypto/x509",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 9.1,
      "epss": 0.00361,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-33810",
      "url": "https://patchblox.com/security/cve/CVE-2026-33810",
      "title": "Case-sensitive excludedSubtrees name constraints cause Auth Bypass in crypto/x509",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 9.1,
      "epss": 0.00346,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-32282",
      "url": "https://patchblox.com/security/cve/CVE-2026-32282",
      "title": "TOCTOU permits root escape on Linux via Root.Chmod in os in internal/syscall/unix",
      "priority": "High",
      "severity": "Moderate",
      "cvss": 9.1,
      "epss": 0.00297,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-27144",
      "url": "https://patchblox.com/security/cve/CVE-2026-27144",
      "title": "Miscompilation allows memory corruption via CONVNOP-wrapped array copy in cmd/compile",
      "priority": "High",
      "severity": "Important",
      "cvss": 9,
      "epss": 0.00266,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-32289",
      "url": "https://patchblox.com/security/cve/CVE-2026-32289",
      "title": "JsBraceDepth Context Tracking Bugs (XSS) in html/template",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 6.1,
      "epss": 0.00295,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-32288",
      "url": "https://patchblox.com/security/cve/CVE-2026-32288",
      "title": "Unbounded allocation for old GNU sparse in archive/tar",
      "priority": "Routine",
      "severity": "Moderate",
      "cvss": 5.5,
      "epss": 0.00295,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-11T07:45:43Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}