XML Entity Expansion Affecting docling package, versions [2.13.0,2.74.0)
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Test your applications- Snyk IDSNYK-PYTHON-DOCLING-17151850
- published4 Jun 2026
- disclosed3 Jun 2026
- creditUnknown
Introduced: 3 Jun 2026
NewCVE-2026-44020 (opens in a new tab)Common Vulnerabilities and Exposures (CVE) are common identifiers for publicly known security vulnerabilities
Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
Upgrade docling to version 2.74.0 or higher.
Overview
docling is a SDK and CLI for parsing PDF, DOCX, HTML, and more, to a unified document representation for powering downstream workflows such as gen AI applications.
Affected versions of this package are vulnerable to XML Entity Expansion in backend/xml/uspto_backend.py's use of parseString(). An attacker can cause resource exhaustion or read local filtes by submitting malicious USPTO patent XML files.