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CVE-2025-4517

🗓️ 03 Jun 2025 12:58:50Reported by PSFType 
cve
 cve
🔗 web.nvd.nist.gov👁 1216 Views🌐 WEB

Vulnerability CVE-2025-4517 allows unsafe filesystem writes during tar extraction in Python 3.12 or later.

Related
Affected
Refs
Paths
[
  {
    "defaultStatus": "unaffected",
    "modules": [
      "tarfile"
    ],
    "product": "CPython",
    "repo": "https://github.com/python/cpython",
    "vendor": "Python Software Foundation",
    "versions": [
      {
        "version": "0",
        "lessThan": "3.10.18",
        "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
pathpath/opt/backup_clients/restore_backup_clients.pyTarFile.extractall() with filter="data" can be bypassed to write outside the extraction directory via symlink/hardlink abuse, enabling arbitrary file writes (e.g., to /etc or /root).CWE-22
filterpath/opt/backup_clients/restore_backup_clients.pyTarFile.extractall() with filter="data" can be bypassed to write outside the extraction directory via symlink/hardlink abuse, enabling arbitrary file writes (e.g., to /etc or /root).CWE-22

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17 Jun 2026 09:33Current
9.7High risk
Vulners AI Score9.7
CVSS 3.19.4
EPSS0.01227
SSVC
1216