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Vulnerability advisory

PYSEC-2026-801

XML Entity Expansion (XEE) in Django

Published Updated OSV record ↗

Also known as CVE-2013-1664GHSA-qrh7-x6fp-c2mp

Severity

Severity not reported.

Affected versions

django PyPI

All django advisories →
AffectedFixed in
1.3.0 to before 1.3.61.3.6Advisories →
1.4.0 to before 1.4.41.4.4Advisories →
Also listed as affected (10)

Description

The XML libraries for Python, as used in OpenStack Keystone Essex, Folsom, and Grizzly; Compute (Nova) Essex and Folsom; Cinder Folsom; Django; and possibly other products allow remote attackers to cause a denial of service (resource consumption and crash) via an XML Entity Expansion (XEE) attack.

References

  • Codex
  • Claude Code
  • VS Code
  • GitHub Copilot
  • Cursor
  • Cline
  • Windsurf
  • Google Anti-gravity
  • OpenCode
  • Pi
  • Gemini CLI
  • Hermes Agent
  • Zed
  • Junie
  • Qwen Code
  • Kiro
  • Kilo Code
  • Factory Droid

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