UNKNOWN PyPI

Werkzeug safe_join not safe on Windows

GHSA-f9vj-2wh5-fj8j · CVE-2024-49766 · PYSEC-2026-2045

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Description

On Python < 3.11 on Windows, os.path.isabs() does not catch UNC paths like //server/share. Werkzeug's safe_join() relies on this check, and so can produce a path that is not safe, potentially allowing unintended access to data. Applications using Python >= 3.11, or not using Windows, are not vulnerable.

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