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CVE-2026-6879 Quadratic Behavior in xml.etree.ElementPath Index Predicates

🗓️ 28 Jul 2026 13:46:30Reported by PSFType 
cvelist
 cvelist
🔗 www.cve.org👁 129 Views

CVE-2026-6879: XPath index predicates cause quadratic time for findall and iterfind with many same-tag siblings.

Related
Affected
Refs
[
  {
    "defaultStatus": "unaffected",
    "product": "CPython",
    "repo": "https://github.com/python/cpython",
    "vendor": "Python Software Foundation",
    "versions": [
      {
        "version": "0",
        "lessThan": "3.10.21",
        "status": "affected",
        "versionType": "python"
      },
      {
        "version": "3.11.0",
        "lessThan": "3.11.16",
        "status": "affected",
        "versionType": "python"
      },
      {
        "version": "3.12.0",
        "lessThan": "3.12.14",
        "status": "affected",
        "versionType": "python"
      },
      {
        "version": "3.13.0",
        "lessThan": "3.13.15",
        "status": "affected",
        "versionType": "python"
      },
      {
        "version": "3.14.0",
        "lessThan": "3.14.7",
        "status": "affected",
        "versionType": "python"
      },
      {
        "version": "3.15.0a1",
        "lessThan": "3.15.0rc1",
        "status": "affected",
        "versionType": "python"
      }
    ]
  }
]

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