CVE-2026-27199

Werkzeug is a comprehensive WSGI web application library. Versions 3.1.5 and below, the safejoin 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...

CVE-2026-27199 Werkzeug safe_join() allows Windows special device names

Werkzeug is a comprehensive WSGI web application library. Versions 3.1.5 and below, the safejoin 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...

CVE-2026-27199 Werkzeug safe_join() allows Windows special device names

Werkzeug is a comprehensive WSGI web application library. Versions 3.1.5 and below, the safejoin 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...

GHSA-29VQ-49WR-VM6X Werkzeug safe_join() allows Windows special device names

Werkzeug's safejoin function allows Windows device names as filenames if when preceded by other path segments. This was previously reported as https://github.com/pallets/werkzeug/security/advisories/GHSA-hgf8-39gv-g3f2, but the added filtering failed to account for the fact that safejoin accepts...

PT-2026-21351

Name of the Vulnerable Software and Affected Versions Werkzeug versions 3.1.5 and below Description The safe join function in Werkzeug, a WSGI web application library, improperly handles Windows device names when used as filenames, particularly when preceded by other path segments. Specifically,...

Security Bulletin: IBM InfoSphere Information Server is affected by multiple vulnerabilities in Werkzeug

Summary Multiple vulnerabilities in Werkzeug that is used by InfoSphere Information Server were addressed. Vulnerability Details CVEID:CVE-2026-21860 DESCRIPTION: Werkzeug is a comprehensive WSGI web application library. Prior to version 3.1.5, Werkzeug's safejoin function allows path segments wi...

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...

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...

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 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...

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...

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...

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...

GHSA-HGF8-39GV-G3F2 Werkzeug safe_join() allows Windows special device names

Werkzeug's safejoin function allows path segments with Windows device names. On Windows, there are special device names such as CON, AUX, etc that are implicitly present and readable in every directory. sendfromdirectory uses safejoin to safely serve files at user-specified paths under a director...

Werkzeug safe_join() allows Windows special device names

Werkzeug's safejoin function allows path segments with Windows device names. On Windows, there are special device names such as CON, AUX, etc that are implicitly present and readable in every directory. sendfromdirectory uses safejoin to safely serve files at user-specified paths under a director...