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...

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. Notes: 1 This is only vulnerable on Windows,...

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 Watson Discovery Cartridge affected by vulnerability in werkzeug-3.1.4-py3-none-any.whl

Summary IBM Watson Discovery Cartridge affected by vulnerability in werkzeug-3.1.4-py3-none-any.whl 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 with...

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...

Security Bulletin: There is a vulnerability in werkzeug-3.1.3-py3-none-any.whl used by IBM Maximo Manage application in IBM Maximo Application Suite (CVE-2025-66221)

Summary There is a vulnerability in werkzeug-3.1.3-py3-none-any.whl used by IBM Maximo Manage application in IBM Maximo Application Suite. Vulnerability Details CVEID:CVE-2025-66221 DESCRIPTION: Werkzeug is a comprehensive WSGI web application library. Prior to version 3.1.4, Werkzeug's safejoin...

CVE-2026-23518

Fleet is open source device management software. In versions prior to 4.78.3, 4.77.1, 4.76.2, 4.75.2, and 4.53.3, a vulnerability in Fleet's Windows MDM enrollment flow could allow an attacker to submit forged authentication tokens that are not properly validated. Because JWT signatures were not...

Improper Verification of Cryptographic Signature

Overview Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature via the JWT verification process. An attacker can gain unauthorized enrollment of rogue devices by submitting a forged JWT with arbitrary identity claims, as the system fails to verify th...

Improper Verification of Cryptographic Signature

Overview Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature via the JWT verification process. An attacker can gain unauthorized enrollment of rogue devices by submitting a forged JWT with arbitrary identity claims, as the system fails to verify th...

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...