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CVE-2025-4138

🗓️ 03 Jun 2025 12:59:02Reported by PSFType 
cve
 cve
🔗 web.nvd.nist.gov👁 748 Views🌐 WEB

CVE-2025-4138 allows symlink exploits and metadata modification in untrusted tarfile extracts.

Related
Affected
Refs
Paths
[
  {
    "defaultStatus": "unaffected",
    "modules": [
      "tarfile"
    ],
    "product": "CPython",
    "repo": "https://github.com/python/cpython",
    "vendor": "Python Software Foundation",
    "versions": [
      {
        "version": "0",
        "lessThan": "3.9.23",
        "status": "affected",
        "versionType": "python"
      },
      {
        "version": "3.10.0",
        "lessThan": "3.10.18",
        "status": "affected",
        "versionType": "python"
      },
      {
        "version": "3.11.0",
        "lessThan": "3.11.13",
        "status": "affected",
        "versionType": "python"
      },
      {
        "version": "3.12.0",
        "lessThan": "3.12.11",
        "status": "affected",
        "versionType": "python"
      },
      {
        "version": "3.13.0",
        "lessThan": "3.13.4",
        "status": "affected",
        "versionType": "python"
      },
      {
        "version": "3.14.0a1",
        "lessThan": "3.14.0b3",
        "status": "affected",
        "versionType": "python"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
-bpath/opt/backup_clients/restore_backup_clients.pyVulnerable script that extracts tar archives using the 'data' or 'tar' filter, susceptible to CVE-2025-4138/CVE-2025-4517 path traversal via symlink chain.CWE-22
-rpath/opt/backup_clients/restore_backup_clients.pyVulnerable script that extracts tar archives using the 'data' or 'tar' filter, susceptible to CVE-2025-4138/CVE-2025-4517 path traversal via symlink chain.CWE-22

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31 Jul 2026 14:16Current
7.4High risk
Vulners AI Score7.4
CVSS 3.17.5
EPSS0.01487
SSVC
748