CVE-2026-49825

Public on 2026-08-20

Modified on 2026-08-24

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.

Severity

Medium

See what this means

CVSS v3 Base Score

6.1

See breakdown

Affected Packages

Platform	Package	Status
Amazon Linux 2 - Core	python-lxml	Pending Fix
Amazon Linux 2023	python-lxml	Pending Fix
Amazon Linux 2023	python3.13-lxml	Pending Fix

CVSS Scores

	Score Type	Score	Vector
Amazon Linux	CVSSv3	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

References

FAQs regarding Amazon Linux ALAS/CVE Severity Red Hat: CVE-2026-49825 Mitre: CVE-2026-49825