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21 February 2026

Vulnerabilities first published on this day (UTC), newest first.

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  • Medium 6.3
    CVE-2026-27199 Public exploit

    Werkzeug safe_join() allows Windows special device names

    Werkzeug is a comprehensive WSGI web application library. Versions 3.1.5 and below, the safe_join function allows Windows device names as filenames if preceded by other path segments. This was previously reported as GHSA-hgf8-39gv-g3f2, but the added filterin…

    pallets werkzeug open-webui airflow-3 Alpine Wolfi PyPI