PT-2026-53965

Name of the Vulnerable Software and Affected Versions IBM WebSphere Application Server - Liberty versions 17.0.0.3 through 26.0.0.6 Description An arbitrary file read issue exists when the restConnector-2.0 feature is enabled. This allows an attacker to read files from the system that they should...

PT-2026-53942

Name of the Vulnerable Software and Affected Versions IBM WebSphere Extreme Scale versions 8.6.1.0 through 8.6.1.6 Description Three ObjectInputStream subclasses WsObjectInputStream, ObjectStreamPool$ReusableInputStream, and ObjectInputStreamResolver do not install a JEP-290 class filter, which i...

PT-2026-53962

Name of the Vulnerable Software and Affected Versions IBM WebSphere Application Server version 9.0 IBM WebSphere Application Server version 8.5 Description A cross-site scripting issue exists within the integrated help system of the administrative console. Cross-site scripting is a flaw that allo...

PT-2026-53944

Name of the Vulnerable Software and Affected Versions IBM WebSphere Extreme Scale versions 8.6.1.0 through 8.6.1.6 Description Approximately 50 CORBA stub classes within the ogclient.jar file call the ORB.string to object function using an attacker-controlled IOR string during Java deserializatio...

PT-2026-53961

Name of the Vulnerable Software and Affected Versions IBM WebSphere Application Server version 9.0 IBM WebSphere Application Server version 8.5 Description A remote attacker could obtain sensitive information from the integrated help system of the administrative console. Recommendations At the...

PT-2026-53951

Name of the Vulnerable Software and Affected Versions IBM WebSphere Extreme Scale versions 8.6.1.0 through 8.6.1.6 Description Improper validation in the XDF decoder allows an adjacent attacker to cause a denial of service. The application processes deeply nested Protocol Buffers messages and...

PT-2026-53990

Name of the Vulnerable Software and Affected Versions IBM WebSphere Application Server version 9.0 IBM WebSphere Application Server version 8.5 IBM WebSphere Application Server - Liberty versions 17.0.0.3 through 26.0.0.6 Description An HTTP request smuggling issue exists, which occurs when there...

Security Bulletin: Multiple Vulnerabilities have been identified in IBM WebSphere Application Server shipped with IBM WebSphere Remote Server

Summary IBM WebSphere Application Server is shipped with IBM WebSphere Remote Server. Information about security vulnerabilities affecting IBM WebSphere Application Server have been published in a security bulletin CVE-2026-11594, CVE-2026-11707, CVE-2026-11383 Vulnerability Details Refer to the...

Security Bulletin: IBM WebSphere Application Server which is bundled IBM WebSphere Remote Server, is affected by a remote code execution vulnerability (CVE-2026-11536)

Summary IBM WebSphere Application Server is shipped with IBM WebSphere Remote Server. Information about a security vulnerability affecting IBM WebSphere Application Server has been published in a security bulletin. Vulnerability Details Refer to the security bulletins listed in the...

Security Bulletin: IBM WebSphere Application Server and WebSphere Application Server Liberty, which are bundled IBM WebSphere Remote Server, are affected by HTTP request smuggling (CVE-2026-11541)

Summary IBM WebSphere Application Server and WebSphere Application Server Liberty is shipped with IBM WebSphere Remote Server. Information about a security vulnerability affecting IBM WebSphere Application Server and WebSphere Application Server Liberty has been published in a security bulletin...

Security Bulletin: Security vulnerabilities have been identified in IBM WebSphere Application Server shipped with IBM Buinses Automation Workflow (CVE-2026-11594, CVE-2026-11707, CVE-2026-11383, CVE-2026-11541, CVE-2026-11536)

Summary WebSphere Application Server is shipped as a component of IBM Business Automation Workflow. Information about a security vulnerability affecting IBM WebSphere Application Server Traditional have been published in a security bulletin. Vulnerability Details Refer to the security bulletins...

Security Bulletin: Security vulnerabilities have been identified in IBM WebSphere Application Server shipped with IBM Buinses Automation Workflow (CVE-2026-8646, CVE-2026-9320, CVE-2026-9071)

Summary WebSphere Application Server is shipped as a component of IBM Business Automation Workflow. Information about security vulnerabilities affecting IBM WebSphere Application Server Traditional have been published in a security bulletin. Vulnerability Details Refer to the security bulletins...

Security Bulletin: IBM WebSphere eXtremes Scale is affected by uncontrolled resource consumption when XDF is enabled

Summary IBM WebSphere eXtremes Scale is affected by uncontrolled resource consumption when XDF is enabled CVE-2026-9002 Vulnerability Details CVEID:CVE-2026-9002 DESCRIPTION: IBM WebSphere eXtreme Scale could allow an adjacent attacker to cause a denial of service due to improper validation in th...

Security Bulletin: Multiple security vulnerabilities are addressed with IBM Cloud Pak for Business Automation iFixes for June 2026.

Summary In addition to many updates of operating system level packages, the following security vulnerabilities are addressed with IBM Cloud Pak for Business Automation released in June 2026. Vulnerability Details CVEID:CVE-2025-12635 DESCRIPTION: IBM WebSphere Application Server 8.5, 9.0 and IBM...

Security Bulletin: IBM Engineering Lifecycle Management products using WebSphere Application Server Liberty is affected by a prototype pollution vulnerability due to immutable (CVE-2026-29063)

Summary There is a vulnerability in the immutable library which affects IBM WebSphere Application Server Liberty with the openapi-3.0, openapi-3.1, mpOpenAPI-1.0, mpOpenAPI-1.1, mpOpenAPI-2.0, mpOpenAPI-3.0 mpOpenAPI-3.1, mpOpenAPI-4.0 or mpOpenAPI-4.1 feature enabled. Following IBM Engineering...

Security Bulletin: Vulnerabilities have been identified in WebSphere Application Server shipped with WebSphere Service Registry and Repository (CVE-2026-11541, CVE-2026-11536, CVE-2026-11594, CVE-2026-11707 and CVE-2026-11383)

Summary WebSphere Application Server is shipped as a component of WebSphere Service Registry and Repository. Information about multiple vulnerabilities affecting WebSphere Application Server have been published in security bulletins. Vulnerability Details Refer to the security bulletins listed in...

Security Bulletin: Multiple Vulnerabilities in WebSphere Application Server Liberty affect IBM Cloud Pak System [CVE-2024-56339. CVE-2023-50314]

Summary Vulnerabilities in IBM WebSphere Application Server Liberty affect IBM Cloud Pak System. Vulnerability Details CVEID:CVE-2024-56339 DESCRIPTION: IBM WebSphere Application Server 9.0 and WebSphere Application Server Liberty 17.0.0.3 through 25.0.0.7 could allow a remote attacker to bypass...

Security Bulletin: Vulnerabilities found in Watson Data Intelligence

Summary Multiple Vulnerabilities were addressed in Watson Data Intelligence version 5.3.1-patch3. Vulnerability Details CVEID:CVE-2025-14917 DESCRIPTION: IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.3 IBM WebSphere Application Server Liberty could provide weaker than expecte...

Security Bulletin: Vulnerabilities found in Watson Data Intelligence

Summary Multiple vulnerabilities were addressed in Watson Data Intelligence version 5.3.1. Vulnerability Details CVEID:CVE-2024-56339 DESCRIPTION: IBM WebSphere Application Server 9.0 and WebSphere Application Server Liberty 17.0.0.3 through 25.0.0.7 could allow a remote attacker to bypass securi...

Security Bulletin: IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by HTTP request smuggling (CVE-2026-11541)

Summary IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by remote code execution and HTTP request smuggling. Vulnerability Details CVEID:CVE-2026-11541 DESCRIPTION: IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by an...