deps: update Python dependencies

[kometa-dependency-manager]

This PR contains the following updates:

Package	Update	Change
lxml (source, changelog)	minor	==6.0.2 → ==6.1.0

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

CVE-2026-41066 / GHSA-vfmq-68hx-4jfw

More information

Details

Impact

Using either of the two parsers in the default configuration (with resolve_entities=True) allows untrusted XML input to read local files.

Patches

lxml 6.1.0 changes the default to resolve_entities='internal', thus disallowing local file access by default.

Workarounds

Setting the resolve_entities option explicitly to resolve_entities='internal' or resolve_entities=False disables the local file access.

Resources

Original report: https://bugs.launchpad.net/lxml/+bug/2146291

The default option was changed to resolve_entities='internal' for the normal XML and HTML parsers in lxml 5.0. The default was not changed for iterparse() and ETCompatXMLParser() at the time. lxml 6.1 makes the safe option the default for all parsers.

Severity

• CVSS Score: 7.5 / 10 (High)
• Vector String: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References

• https://github.com/lxml/lxml/security/advisories/GHSA-vfmq-68hx-4jfw
• https://bugs.launchpad.net/lxml/+bug/2146291
• https://github.com/lxml/lxml/releases/tag/lxml-6.1.0
• https://nvd.nist.gov/vuln/detail/CVE-2026-41066
• https://github.com/pypa/advisory-database/tree/main/vulns/lxml/PYSEC-2026-87.yaml
• https://github.com/advisories/GHSA-vfmq-68hx-4jfw

This data is provided by the GitHub Advisory Database (CC-BY 4.0).

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Release Notes

lxml/lxml (lxml)

v6.1.0

Compare Source

==================

This release fixes a possible external entity injection (XXE) vulnerability in
iterparse() and the ETCompatXMLParser.

Features added

• GH#486: The HTML ARIA accessibility attributes were added to the set of safe attributes
  in lxml.html.defs. This allows lxml_html_clean to pass them through.
  Patch by oomsveta.

• The default chunk size for reading from file-likes in iterparse() is now configurable
  with a new chunk_size argument.

Bugs fixed

• LP#2146291: The resolve_entities option was still set to True for
  iterparse and ETCompatXMLParser, allowing for external entity injection (XXE)
  when using these parsers without setting this option explicitly.
  The default was now changed to 'internal' only (as for the normal XML and HTML parsers
  since lxml 5.0).
  Issue found by Sihao Qiu as CVE-2026-41066.

v6.0.4

Compare Source

==================

Bugs fixed

• LP#2148019: Spurious MemoryError during namespace cleanup.

v6.0.3

Compare Source

==================

Bugs fixed

• Several out of memory error cases now raise MemoryError that were not handled before.

• Slicing with large step values (outside of +/- sys.maxsize) could trigger undefined C behaviour.

• LP#2125399: Some failing tests were fixed or disabled in PyPy.

• LP#2138421: Memory leak in error cases when setting the public_id or system_url of a document.

• Memory leak in case of a memory allocation failure when copying document subtrees.

• When mapping an XPath result to Python failed, the result memory could leak.

• When preparing an XSLT transform failed, the XSLT parameter memory could leak.

Other changes

• Built using Cython 3.2.4.

• Binary wheels use zlib 1.3.2.

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