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CVE-2026-49825

HIGH CVSS: 8.2 Published: 2026-08-20 Modified: 2026-08-20

Description

lxml is a library for processing XML and HTML in the Python language. Prior to 6.1.1, link attributes in ``lxml.html.defs.link_attrs`` were missing ``xlink:href``, which can be used for URL bypass attacks in embedded SVG/MathML/etc. content. This vulnerability was fixed in lxml 6.1.1 and lxml_html_clean 0.4.5.

Affected Platforms

Unknown

Weakness Type

CWE-79, CWE-184

References