CVE WatchJul 16, 2026

CVE-2026-46338

PyMdown Extensions is a set of extensions for the Python-Markdown markdown project. From 10.0.1 until 10.21.3, pymdownx.snippets uses a stri

CVSS

4.3

Medium

EPSS

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KEV

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Exploit Today

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0-100

Published: Jul 16, 2026 · Last modified: Jul 16, 2026 · CWE-22

EPSS · 30d

Not enough EPSS history yet.

Technical description

PyMdown Extensions is a set of extensions for the Python-Markdown markdown project. From 10.0.1 until 10.21.3, pymdownx.snippets uses a string-prefix containment check in SnippetPreprocessor.get_snippet_path() in pymdownx/snippets.py when `restrict_base_path: True`, allowing markdown snippet directives to read files from sibling paths that share the same base_path prefix, such as docs and docs_internal. This is a regression of CVE-2023-32309. This issue is fixed in version 10.21.3.

Official references

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