Security Bulletin: IBM WebSphere Application Server, which is bundled with IBM Cloud Pak for Applications, is affected by a remote code execution vulnerability (CVE-2026-9319)

Summary IBM WebSphere Application Server, which is bundled with IBM Cloud Pak for Applications, is affected by a remote code execution vulnerability when using JAX-WS endpoints with WS-Security. Vulnerability Details Refer to the security bulletins listed in the Remediation/Fixes section Affected...

Security Bulletin: IBM WebSphere Application Server, which is bundled with IBM Enterprise Application Runtimes, is affected by a remote code execution vulnerability (CVE-2026-9319)

Summary IBM WebSphere Application Server, which is bundled with IBM Enterprise Application Runtimes, is affected by a remote code execution vulnerability when using JAX-WS endpoints with WS-Security. Vulnerability Details Refer to the security bulletins listed in the Remediation/Fixes section...

Security Bulletin: IBM WebSphere Application Server, which is bundled with IBM WebSphere Hybrid Edition, is affected by a remote code execution vulnerability (CVE-2026-9319)

Summary IBM WebSphere Application Server, which is bundled with IBM WebSphere Hybrid Edition, is affected by a remote code execution vulnerability when using JAX-WS endpoints with WS-Security. Vulnerability Details Refer to the security bulletins listed in the Remediation/Fixes section Affected...

Security Bulletin: IBM WebSphere Application Server, which is bundled with IBM Enterprise Application Runtimes, is affected by an identity spoofing vulnerability (CVE-2026-8644)

Summary IBM WebSphere Application Server, which is bundled with IBM Enterprise Application Runtimes, is affected by an identity spoofing vulnerability. Vulnerability Details Refer to the security bulletins listed in the Remediation/Fixes section Affected Products and Versions Affected Products an...

Security Bulletin: IBM WebSphere Application Server, which is bundled with IBM Cloud Pak for Applications, is affected by an identity spoofing vulnerability (CVE-2026-8644)

Summary IBM WebSphere Application Server, which is bundled with IBM Cloud Pak for Applications, is affected by an identity spoofing vulnerability. Vulnerability Details Refer to the security bulletins listed in the Remediation/Fixes section Affected Products and Versions Affected Products and...

Security Bulletin: IBM WebSphere Application Server, which is bundled with IBM WebSphere Hybrid Edition, is affected by an identity spoofing vulnerability (CVE-2026-8644)

Summary IBM WebSphere Application Server, which is bundled with IBM WebSphere Hybrid Edition, is affected by an identity spoofing vulnerability. Vulnerability Details Refer to the security bulletins listed in the Remediation/Fixes section Affected Products and Versions Affected Products and...

Security Bulletin: IBM WebSphere Application Server and IBM WebSphere Application Server Liberty, which are bundled with IBM Enterprise Application Runtimes, are affected by a denial of service vulnerability (CVE-2026-4410)

Summary IBM WebSphere Application Server and IBM WebSphere Application Server Liberty, which are bundled with IBM Enterprise Application Runtimes, are affected by a denial of service vulnerability with the sipServlet-1.1 feature enabled. Vulnerability Details Refer to the security bulletins liste...

Security Bulletin: IBM WebSphere Application Server and IBM WebSphere Application Server Liberty, which are bundled with IBM WebSphere Hybrid Edition, are affected by a denial of service vulnerability (CVE-2026-4410)

Summary IBM WebSphere Application Server and IBM WebSphere Application Server Liberty, which are bundled with IBM WebSphere Hybrid Edition, are affected by a denial of service vulnerability with the sipServlet-1.1 feature enabled. Vulnerability Details Refer to the security bulletins listed in th...

Security Bulletin: IBM WebSphere Application Server and IBM WebSphere Application Server Liberty, which are bundled with IBM Cloud Pak for Applications, are affected by a denial of service vulnerability (CVE-2026-4410)

Summary IBM WebSphere Application Server and IBM WebSphere Application Server Liberty, which are bundled with IBM Cloud Pak for Applications, are affected by a denial of service vulnerability with the sipServlet-1.1 feature enabled. Vulnerability Details Refer to the security bulletins listed in...

Security Bulletin: IBM WebSphere Application Server Liberty, which is bundled with IBM WebSphere Hybrid Edition, is affected by a security bypass vulnerability (CVE-2026-5516)

Summary IBM WebSphere Application Server Liberty, which is bundled with IBM WebSphere Hybrid Edition, is affected by a security bypass vulnerability with the appSecurity-3.0, appSecurity-4.0 or appSecurity-5.0 feature enabled. Vulnerability Details Refer to the security bulletins listed in the...

Security Bulletin: IBM WebSphere Application Server Liberty, which is bundled with IBM Enterprise Application Runtimes, is affected by a security bypass vulnerability (CVE-2026-5516)

Summary IBM WebSphere Application Server Liberty, which is bundled with IBM Enterprise Application Runtimes, is affected by a security bypass vulnerability with the appSecurity-3.0, appSecurity-4.0 or appSecurity-5.0 feature enabled. Vulnerability Details Refer to the security bulletins listed in...

Security Bulletin: IBM WebSphere Application Server Liberty, which is bundled with IBM Cloud Pak for Applications, is affected by a security bypass vulnerability (CVE-2026-5516)

Summary IBM WebSphere Application Server Liberty, which is bundled with IBM Cloud Pak for Applications, is affected by a security bypass vulnerability with the appSecurity-3.0, appSecurity-4.0 or appSecurity-5.0 feature enabled. Vulnerability Details Refer to the security bulletins listed in the...

Security Bulletin: The IBM Engineering Lifecycle Management products using WebSphere Application Server Liberty is affected by a remote code execution vulnerability (CVE-2025-14914)

Summary WebSphere Application Server Liberty 17.0.0.3 - 26.0.0.1 with the restConnector-1.0 or restConnector-2.0 feature enabled is affected by a remote code execution vulnerability. Following IBM® Engineering Lifecycle Management products are vulnerable to this attack, it has been addressed in...

Vulnerabilities in IBM WebSphere Application Server and WebSphere Liberty

IBM has identified vulnerabilities in WebSphere Application Server and WebSphere Liberty versions 8.5 and 9.0. These vulnerabilities reside in the Web Server Plug-ins, which are part of the request handling processes of these products. The first vulnerability relates to HTTP request smuggling,...

Security Bulletin: Multiple vulnerabilities have been identified in IBM WebSphere Application Server shipped with IBM DevOps Code ClearCase [CVE-2026-8633, CVE-2026-8620]

Summary IBM WebSphere Application Server WAS is shipped as a component of IBM DevOps Code ClearCase. Information about security vulnerabilities affecting WAS have been published in a security bulletin. Vulnerability Details Refer to the security bulletins listed in the Remediation/Fixes section...

CVE-2026-4410

IBM WebSphere Application Server - Liberty 19.0.0.7 through 26.0.0.5 and IBM WebSphere Application Server 9.0, and 8.5 and WebSphere Application Server Liberty are vulnerable to a denial of service, caused by sending a specially-crafted request. A remote attacker could exploit this vulnerability ...

CVE-2026-9330

IBM WebSphere Application Server 9.0, and 8.5 is affected by an improper validation of user-supplied data during deserialization using the SAML Web Single Sign-On component. This could result in remote code execution via a crafted HTTP request when combined with a suitable gadget chain...

CVE-2026-9311

IBM WebSphere Application Server 9.0, and 8.5 is vulnerable to remote code execution caused by the bypass of security controls...

CVE-2026-9319

IBM WebSphere Application Server 9.0, and 8.5 is vulnerable to potential remote code execution due to deserialization of untrusted data via JAX-WS endpoints with WS-Security...

CVE-2026-8633

IBM Web Server Plug-ins for WebSphere Application Server and WebSphere Liberty 8.5, 9.0 IBM WebSphere Application Server and WebSphere Application Server Liberty are vulnerable to remote code execution in the Web Server Plug-ins, through a specially crafted request...