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...

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

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

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...

EUVD-2025-199893

Werkzeug safejoin allows Windows special device names...

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...

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. An attacker can cause the application to hang indefinitely by requesting a path ending with a Windows special device name, e.g. CON or NUL. Note: This is only vulnerab...

ALPINE-CVE-2025-66221

Werkzeug is a comprehensive WSGI web application library. Prior to version 3.1.4, 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...

UBUNTU-CVE-2025-66221

Werkzeug is a comprehensive WSGI web application library. Prior to version 3.1.4, 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...

CVE-2025-66221

Werkzeug is a comprehensive WSGI web application library. Prior to version 3.1.4, 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...