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CVE-2026-27199

Опубликовано: 25 фев. 2026
Источник: msrc
EPSS Низкий

Описание

Werkzeug safe_join() allows Windows special device names

EPSS

Процентиль: 5%
0.0002
Низкий

Связанные уязвимости

CVSS3: 5.3
ubuntu
около 1 месяца назад

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 filtering failed to account for the fact that safe_join accepts paths with multiple segments, such as example/NUL. The function send_from_directory uses safe_join to safely serve files at user-specified paths under a directory. If the application is running on Windows, and the requested path ends with a special device name, the file will be opened successfully, but reading will hang indefinitely. This issue has been fixed in version 3.1.6.

CVSS3: 5.3
nvd
около 1 месяца назад

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 filtering failed to account for the fact that safe_join accepts paths with multiple segments, such as example/NUL. The function send_from_directory uses safe_join to safely serve files at user-specified paths under a directory. If the application is running on Windows, and the requested path ends with a special device name, the file will be opened successfully, but reading will hang indefinitely. This issue has been fixed in version 3.1.6.

CVSS3: 5.3
debian
около 1 месяца назад

Werkzeug is a comprehensive WSGI web application library. Versions 3.1 ...

github
около 1 месяца назад

Werkzeug safe_join() allows Windows special device names

EPSS

Процентиль: 5%
0.0002
Низкий