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CVE-2026-32282 TOCTOU permits root escape on Linux via Root.Chmod in os in internal/syscall/unix

🗓️ 08 Apr 2026 01:06:55Reported by GoType 
cvelist
 cvelist
🔗 www.cve.org👁 17 Views

TOCTOU lets root escape via Root.Chmod when a path becomes a symlink after check outside the root.

Related
Affected
Refs
[
  {
    "vendor": "Go standard library",
    "product": "internal/syscall/unix",
    "collectionURL": "https://pkg.go.dev",
    "packageName": "internal/syscall/unix",
    "versions": [
      {
        "version": "0",
        "lessThan": "1.25.9",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "1.26.0-0",
        "lessThan": "1.26.2",
        "status": "affected",
        "versionType": "semver"
      }
    ],
    "platforms": [
      "linux"
    ],
    "programRoutines": [
      {
        "name": "Fchmodat"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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08 Apr 2026 01:06Current
EPSS0.0001
17