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CVE-2026-0847 A vulnerability in NLTK versions up to and including 3.9.2 allows arbitrary file read via path traversal in multiple…

Description

A vulnerability in NLTK versions up to and including 3.9.2 allows arbitrary file read via path traversal in multiple CorpusReader classes, including WordListCorpusReader, TaggedCorpusReader, and BracketParseCorpusReader. These classes fail to properly sanitize or validate file paths, enabling attackers to traverse directories and access sensitive files on the server. This issue is particularly critical in scenarios where user-controlled file inputs are processed, such as in machine learning APIs, chatbots, or NLP pipelines. Exploitation of this vulnerability can lead to unauthorized access to sensitive files, including system files, SSH private keys, and API tokens, and may potentially escalate to remote code execution when combined with other vulnerabilities.

Affected products and versions

Product Affected versions Fixed in
Red Hat OpenShift AI 2.25 1775144403 earliest → < 1775144403 1775144403
Red Hat OpenShift AI 3.3 1778263054 earliest → < 1778263054 1778263054
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/nltk Versions not published

References

Timeline

  1. Published
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