CVE-2026-49825

8.2 Élevée

Publiée le 20/08/2026 à 17:17 · Modifiée le 18/09/2026 à 22:05 · En attente d'analyse NVD · Source : security-advisories@github.com

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.

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Produits concernés

lxml
fedora-python lxml_html_clean

Scores CVSS

Version	Score	Source	Vecteur
3.1	8.2 Élevée	security-advisories@github.com	`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N`

Faiblesses (CWE)

CWE-79
CWE-184

Références

https://github.com/fedora-python/lxml_html_clean/commit/322357ac61c6cf80fcbaba53b4e92e31f3ded9f2
https://github.com/fedora-python/lxml_html_clean/releases/tag/0.4.5
https://github.com/fedora-python/lxml_html_clean/security/advisories/GHSA-4jhm-jv67-739f
https://github.com/lxml/lxml/commit/5927a6d5e851845140975d99b65461e255caaab0
https://github.com/lxml/lxml/releases/tag/lxml-6.1.1
https://github.com/fedora-python/lxml_html_clean/security/advisories/GHSA-4jhm-jv67-739f

Ailleurs

NVD
CVE.org
CIRCL Vulnerability-Lookup
CERT-FR
GitHub Advisories