CVE-2026-46338

PyMdown Extensions (pymdownx.snippets) contains a regression that reintroduces a sibling-prefix path traversal when restrict_base_path is True. From 10.0.1 through 10.21.2, get_snippet_path uses a string-prefix check (filename.startswith(base)) that can read files from sibling paths sharing the s...

Directory Traversal

Overview pymdown-extensions is an Extension pack for Python Markdown. Affected versions of this package are vulnerable to Directory Traversal in the getsnippetpath function. An attacker can access arbitrary files outside the intended directory by crafting a path that exploits improper directory...