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OpenAdvisories
High ALAS2023-2026-1679 1 CVE

Important: python3.13-lxml security update (Amazon Linux 2023)

Published May 11, 2026 · Updated May 13, 2026

Ecosystem: Amazon Linux

Summary

Package updates are available for Amazon Linux 2023 that fix the following vulnerabilities: CVE-2026-41066: lxml is a library for processing XML and HTML in the Python language. Prior to 6.1.0, using either of the two parsers in the default configuration (with resolve_entities=True) allows untrusted XML input to read local files. Setting the resolve_entities option explicitly to resolve_entities='internal' or resolve_entities=False disables the local file access. This vulnerability is fixed in 6.1.0.

Fixed packages 3

ReleasePackageFixed in
Amazon Linux · 2023 python3.13-lxml 0:5.3.2-3.amzn2023.0.2
Amazon Linux · 2023 python3.13-lxml-debuginfo 0:5.3.2-3.amzn2023.0.2
Amazon Linux · 2023 python3.13-lxml-debugsource 0:5.3.2-3.amzn2023.0.2

Vulnerabilities 1

  • High 7.5
    CVE-2026-41066

    lxml: Default configuration of iterparse() and ETCompatXMLParser() allows XXE to local files

    lxml is a library for processing XML and HTML in the Python language. Prior to 6.1.0, using either of the two parsers in the default configuration (with resolve_entities=True) allows untrusted XML input to read local files. Setting the resolve_entities option…

    lxml lxml open-webui airflow-3 Debian Ubuntu Azure Linux Alpine Wolfi PyPI

References

  • web
    https://alas.aws.amazon.com/cve/html/CVE-2026-41066.html