CVE-2026-21860

Werkzeug is a comprehensive WSGI web application library. Prior to version 3.1.5, Werkzeug's safejoin function allows path segments with Windows device names that have file extensions or trailing spaces. On Windows, there are special device names such as CON, AUX, etc that are implicitly present...

SUSE CVE-2026-21860

Werkzeug is a comprehensive WSGI web application library. Prior to version 3.1.5, Werkzeug's safejoin function allows path segments with Windows device names that have file extensions or trailing spaces. On Windows, there are special device names such as CON, AUX, etc that are implicitly present...

Linux Distros Unpatched Vulnerability : CVE-2026-21860

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Werkzeug is a comprehensive WSGI web application library. Prior to version 3.1.5, Werkzeug's safejoin function allows path segments with Windows device names th...

UBUNTU-CVE-2026-21860

Werkzeug is a comprehensive WSGI web application library. Prior to version 3.1.5, Werkzeug's safejoin function allows path segments with Windows device names that have file extensions or trailing spaces. On Windows, there are special device names such as CON, AUX, etc that are implicitly present...

Werkzeug safe_join() allows Windows special device names with compound extensions

Werkzeug's safejoin function allows path segments with Windows device names that have file extensions or trailing spaces. On Windows, there are special device names such as CON, AUX, etc that are implicitly present and readable in every directory. Windows still accepts them with any file extensio...

GHSA-87HC-H4R5-73F7 Werkzeug safe_join() allows Windows special device names with compound extensions

Werkzeug's safejoin function allows path segments with Windows device names that have file extensions or trailing spaces. On Windows, there are special device names such as CON, AUX, etc that are implicitly present and readable in every directory. Windows still accepts them with any file extensio...

Improper Handling of Windows Device Names

Overview Affected versions of this package are vulnerable to Improper Handling of Windows Device Names via the safejoin function, which permits path segments containing Windows special device names with file extensions or trailing spaces. An attacker can access unintended files or devices by...

CVE-2026-21860

Werkzeug is a comprehensive WSGI web application library. Prior to version 3.1.5, Werkzeug's safejoin function allows path segments with Windows device names that have file extensions or trailing spaces. On Windows, there are special device names such as CON, AUX, etc that are implicitly present...

ALPINE-CVE-2026-21860

Werkzeug is a comprehensive WSGI web application library. Prior to version 3.1.5, Werkzeug's safejoin function allows path segments with Windows device names that have file extensions or trailing spaces. On Windows, there are special device names such as CON, AUX, etc that are implicitly present...

CVE-2026-21860

Werkzeug is a comprehensive WSGI web application library. Prior to version 3.1.5, Werkzeug's safejoin function allows path segments with Windows device names that have file extensions or trailing spaces. On Windows, there are special device names such as CON, AUX, etc that are implicitly present...

CVE-2026-21860 Werkzeug safe_join() allows Windows special device names with compound extensions

Werkzeug is a comprehensive WSGI web application library. Prior to version 3.1.5, Werkzeug's safejoin function allows path segments with Windows device names that have file extensions or trailing spaces. On Windows, there are special device names such as CON, AUX, etc that are implicitly present...

EUVD-2026-1425

Werkzeug is a comprehensive WSGI web application library. Prior to version 3.1.5, Werkzeug's safejoin function allows path segments with Windows device names that have file extensions or trailing spaces. On Windows, there are special device names such as CON, AUX, etc that are implicitly present...

CVE-2026-21860

CVE-2026-21860 affects Werkzeug’s safe_join on Windows, allowing segments with Windows device names (e.g., CON, AUX) plus extensions or trailing spaces in versions prior to 3.1.5. IBM-security notices confirm real-world impact in affiliated products: IBM Watson Discovery Cartridge (InfoSphere/Dis...

CVE-2026-21860 Werkzeug safe_join() allows Windows special device names with compound extensions

Werkzeug is a comprehensive WSGI web application library. Prior to version 3.1.5, Werkzeug's safejoin function allows path segments with Windows device names that have file extensions or trailing spaces. On Windows, there are special device names such as CON, AUX, etc that are implicitly present...

CVE-2026-21860

Werkzeug is a comprehensive WSGI web application library. Prior to version 3.1.5, Werkzeug's safejoin function allows path segments with Windows device names that have file extensions or trailing spaces. On Windows, there are special device names such as CON, AUX, etc that are implicitly present...

CVE-2026-21860 Werkzeug safe_join() allows Windows special device names with compound extensions

Werkzeug is a comprehensive WSGI web application library. Prior to version 3.1.5, Werkzeug's safejoin function allows path segments with Windows device names that have file extensions or trailing spaces. On Windows, there are special device names such as CON, AUX, etc that are implicitly present...

Werkzeug 安全漏洞

Werkzeug is a comprehensive WSGI web application library open-sourced by Pallets. A security vulnerability exists in Werkzeug versions prior to 3.1.5 that stems from the safejoin function allowing path segments that contain Windows device names, which could lead to security issues...

PT-2026-2107

Name of the Vulnerable Software and Affected Versions Werkzeug versions prior to 3.1.5 Description Werkzeug’s safe join function improperly handles path segments containing Windows device names with file extensions or trailing spaces. Windows device names, such as CON and AUX, are implicitly...

Arbitrary File Access

Werkzeug is vulnerable to Arbitrary File Access. The vulnerability is due to insufficient validation of Windows device names in the safejoin function, where paths ending with special device names such as CON or AUX can be opened via sendfromdirectory, causing the application to hang indefinitely...

Werkzeug safe_join() allows Windows special device names

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