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CVE-2026-27139 FileInfo can escape from a Root in os

🗓️ 06 Mar 2026 21:28:14Reported by GoType 
cvelist
 cvelist
🔗 www.cve.org👁 40 Views

On Unix, File.ReadDir and File.Readdir may return FileInfo outside the opened Root, exposing lstat metadata beyond the root.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
osv
OSV
CGA-7P4V-Q6JJ-F64W
10 Mar 202610:59
–osv
osv
OSV
CGA-7P73-R37W-5VMH
10 Mar 202613:18
–osv
osv
OSV
CGA-7P74-46CW-QJ9R
10 Mar 202612:11
–osv
osv
OSV
CGA-7P98-6X4R-XPX5
10 Mar 202611:48
–osv
osv
OSV
CGA-7PCP-RC5M-G2C2
10 Mar 202612:15
–osv
osv
OSV
CGA-7PF4-WRP3-RVQ5
10 Mar 202612:50
–osv
osv
OSV
CGA-7PF7-F7GG-J94X
10 Mar 202612:33
–osv
osv
OSV
CGA-7PFW-RWHR-JCW5
10 Mar 202612:17
–osv
osv
OSV
CGA-7PM4-MRM5-GRF9
10 Mar 202612:55
–osv
osv
OSV
CGA-7PRG-R32M-7RC4
10 Mar 202611:27
–osv
Rows per page
[
  {
    "vendor": "Go standard library",
    "product": "os",
    "collectionURL": "https://pkg.go.dev",
    "packageName": "os",
    "versions": [
      {
        "version": "0",
        "lessThan": "1.25.8",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "1.26.0-0",
        "lessThan": "1.26.1",
        "status": "affected",
        "versionType": "semver"
      }
    ],
    "programRoutines": [
      {
        "name": "File.ReadDir"
      },
      {
        "name": "File.Readdir"
      },
      {
        "name": "ReadDir"
      },
      {
        "name": "dirFS.ReadDir"
      },
      {
        "name": "rootFS.ReadDir"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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06 Mar 2026 21:28Current
CVSS 3.12.5
EPSS0.00114
SSVC
40