CVE-2026-49825 [HIGH] – lxml is a library for processing XML and HTML in the Python language. Prior to 6.1.1, link

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.