Security Bulletin: IBM Cloud Pak for Data System (CPDS 1.0) is affected by improper handling of Windows device names due to Werkzeug

Summary Werkzeug is used by IBM Cloud Pak for Data System 1.0 as a WSGI web application library. CVE-2026-27199 affects Werkzeug's safejoin function, which fails to properly filter Windows device names when preceded by other path segments in multi-segment paths. This allows the sendfromdirectory...

Security Bulletin: IBM InfoSphere Information Server is affected by a vulnerability in Werkzeug (CVE-2026-27199)

Summary A vulnerability in Werkzeug that is used by InfoSphere Information Server was addressed. Vulnerability Details CVEID:CVE-2026-27199 DESCRIPTION: Werkzeug is a comprehensive WSGI web application library. Versions 3.1.5 and below, the safejoin function allows Windows device names as filenam...

Security Bulletin: IBM Maximo Scheduler Optimizer uses werkzeug-3.1.5-py3-none-any.whl which is vulnerable to CVE-2026-27199

Summary IBM Maximo Scheduler Optimizer uses werkzeug-3.1.5-py3-none-any.whl which is vulnerable to CVE-2026-27199. This bulletin contains information regarding the vulnerability and its fixture. Vulnerability Details CVEID:CVE-2026-27199 DESCRIPTION: Werkzeug is a comprehensive WSGI web applicati...

Security Bulletin: IBM Watson Discovery Cartridge affected by vulnerability in werkzeug-3.1.5-py3-none-any.whl

Summary IBM Watson Discovery Cartridge affected by vulnerability in werkzeug-3.1.5-py3-none-any.whl Vulnerability Details CVEID:CVE-2026-27199 DESCRIPTION: Werkzeug is a comprehensive WSGI web application library. Versions 3.1.5 and below, the safejoin function allows Windows device names as...

Security Bulletin: IBM Maximo Application Suite uses python-ldap-3.4.4.tar.gz, werkzeug-3.1.4-py3-none-any.whl and werkzeug-3.1.3-py3-none-any.whl which is vulnerable to CVE-2025-61911, CVE-2025-61912, CVE-2026-27199 and CVE-2026-21860.

Summary IBM Maximo Application Suite uses python-ldap-3.4.4.tar.gz, werkzeug-3.1.4-py3-none-any.whl and werkzeug-3.1.3-py3-none-any.whl which is vulnerable to CVE-2025-61911, CVE-2025-61912, CVE-2026-27199 and CVE-2026-21860. This bulletin contains information regarding the vulnerability and its...

Security Bulletin: Maximo AI Service uses werkzeug-3.1.5-py3-none-any.wh which is vulnerable to CVE-2026-27199.

Summary Maximo AI Service uses werkzeug-3.1.5-py3-none-any.wh which is vulnerable to CVE-2026-27199. This bulletin contains information regarding the vulnerability and its fixture. Vulnerability Details CVEID:CVE-2026-27199 DESCRIPTION: Werkzeug is a comprehensive WSGI web application library...

Security Bulletin: There is a vulnerability in werkzeug-3.1.5-py3-none-any.whl used by IBM Maximo Manage application in IBM Maximo Application Suite (CVE-2026-27199)

Summary There is a vulnerability in werkzeug-3.1.5-py3-none-any.whl used by IBM Maximo Manage application in IBM Maximo Application Suite. Vulnerability Details CVEID:CVE-2026-27199 DESCRIPTION: Werkzeug is a comprehensive WSGI web application library. Versions 3.1.5 and below, the safejoin...

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 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 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...