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CVE-2026-33236 NLTK (Natural Language Toolkit) is a suite of open source Python modules, data sets, and tutorials supporting research…

Description

NLTK (Natural Language Toolkit) is a suite of open source Python modules, data sets, and tutorials supporting research and development in Natural Language Processing. In versions 3.9.3 and prior, the NLTK downloader does not validate the `subdir` and `id` attributes when processing remote XML index files. Attackers can control a remote XML index server to provide malicious values containing path traversal sequences (such as `../`), which can lead to arbitrary directory creation, arbitrary file creation, and arbitrary file overwrite. Commit 89fe2ec2c6bae6e2e7a46dad65cc34231976ed8a patches the issue.

Affected products and versions

Product Affected versions Fixed in
Red Hat OpenShift AI 2.25 1783091175 earliest → < 1783091175 1783091175
Red Hat OpenShift AI 3.3 1782471606 earliest → < 1782471606 1782471606
Lightspeed Core Versions not published
OpenShift Lightspeed Versions not published
Red Hat Ansible Automation Platform 2 Versions not published
Red Hat OpenShift AI (RHOAI) Versions not published
nltk 3.9 earliest → 3.9.3 No fix stated

References

Timeline

  1. Published
  2. Last modified

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