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CVE-2026-39819 Invoking "go bug" follows symlinks in predictable temporary filenames in cmd/go

🗓️ 07 May 2026 19:41:18Reported by GoType 
cvelist
 cvelist
🔗 www.cve.org👁 22 Views

The go bug command writes to predictable temp files and follows symlinks, enabling overwrites.

Related
Affected
Refs
[
  {
    "vendor": "Go toolchain",
    "product": "cmd/go",
    "collectionURL": "https://pkg.go.dev",
    "packageName": "cmd/go",
    "versions": [
      {
        "version": "0",
        "lessThan": "1.25.10",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "1.26.0-0",
        "lessThan": "1.26.3",
        "status": "affected",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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07 May 2026 19:41Current
EPSS0.00009
22