python / python/cpython

Add warning to `xml.sax.saxutils.XMLGenerator` about untrusted inputs

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#139,478 5 comments 0 reactions 1 assignee View on GitHub

@sethmlarson is already working on this.

Since Oct 1, 2025.

docs topic-XML type-security
Dominant language
Python
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Description

The xml.sax.saxutils.XMLGenerator class doesn't warn users that inputs are not validated and therefore validation, if required due to untrusted input, is the user responsibility.

Linked PRs
  • gh-139479

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