CVE-2026-13773 IBM WebSphere eXtreme Scale is affected by server side request forgery when ORB is used as Transport Protocol

IBM WebSphere Extreme Scale 8.6.1.0 through 8.6.1.6 Approximately 50 generated CORBA stub classes in WebSphere eXtreme Scale's ogclient.jar call ORB.stringtoobject on an attacker-controlled IOR string during Java deserialization, turning any unfiltered ObjectInputStream sink in WAS into outbound...

CVE-2026-9002

IBM WebSphere Extreme Scale 8.6.1.0 through 8.6.1.6 could allow an adjacent attacker to cause a denial of service due to improper validation in the XDF decoder. The application processes deeply nested Protocol Buffers messages and attacker-controlled length prefixes without sufficient bounds...

PT-2026-53943

Name of the Vulnerable Software and Affected Versions IBM WebSphere Extreme Scale versions 8.6.1.0 through 8.6.1.6 Description The Object Query Language OQL engine resolves class names provided by an attacker using Class.forName and invokes their constructors without an allow-list at three sinks:...

CVE-2026-11708: Improper Neutralization of Input During Web Page Generation

IBM WebSphere Application Server 9.0, and 8.5 is affected by a cross-site scripting vulnerability in the administrative console's integrated help system...

CVE-2026-11712: Improper Neutralization of Input During Web Page Generation

IBM WebSphere Application Server 9.0, and 8.5 is affected by a cross-site scripting vulnerability in the administrative console help system...

CVE-2026-11546: Server-Side Request Forgery (SSRF)

IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.7 is affected by a server-side request forgery vulnerability with the adminCenter-1.0 feature enabled...

PT-2026-53964

Name of the Vulnerable Software and Affected Versions IBM WebSphere Application Server - Liberty versions 17.0.0.3 through 26.0.0.7 Description A server-side request forgery SSRF issue exists when the apiDiscovery-1.0 feature is enabled. SSRF is a flaw that allows an attacker to induce the...

PT-2026-53985

Name of the Vulnerable Software and Affected Versions IBM WebSphere Application Server version 9.0 IBM WebSphere Application Server version 8.5 Description The administrative console contains a cross-site scripting XSS flaw, which occurs when an application includes untrusted data in a web page...

CVE-2026-13773: Server-Side Request Forgery (SSRF)

IBM WebSphere Extreme Scale 8.6.1.0 through 8.6.1.6 Approximately 50 generated CORBA stub classes in WebSphere eXtreme Scale's ogclient.jar call ORB.stringtoobject on an attacker-controlled IOR string during Java deserialization, turning any unfiltered ObjectInputStream sink in WAS into outbound...

CVE-2026-11541: Inconsistent Interpretation of HTTP Requests

IBM CICS Transaction Gateway for Multiplatforms 9.1, 9.2, 9.3, and 10.1 IBM WebSphere Application Server 9.0, and 8.5 and IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.6 are affected by an HTTP request smuggling vulnerability...

CVE-2026-13759: Deserialization of Untrusted Data

IBM WebSphere Extreme Scale 8.6.1.0 through 8.6.1.6 ships three ObjectInputStream subclasses WsObjectInputStream, ObjectStreamPool$ReusableInputStream, ObjectInputStreamResolver that install no JEP-290 class filter; when Coherence is on the classpath, multiple RCE gadget chains including...

CVE-2026-11714: Server-Side Request Forgery (SSRF)

IBM WebSphere Application Server Liberty is affected by a server-side request forgery vulnerability with the apiDiscovery-1.0 feature enabled...

CVE-2026-11595: Improper Limitation of a Pathname to a Restricted Directory

IBM WebSphere Application Server 9.0, and 8.5 could allow a remote attacker to obtain sensitive information from the administrative console's integrated help system...

CVE-2026-11594: Improper Neutralization of Input During Web Page Generation

IBM WebSphere Application Server 9.0, and 8.5 is affected by a cross-site scripting vulnerability in the administrative console...

CVE-2026-13772: Use of Externally-Controlled Input to Select Classes or Code

IBM WebSphere Extreme Scale 8.6.1.0 through 8.6.1.6 's Object Query Language engine resolves attacker-supplied class names via Class.forName and invokes their constructors with no allow-list at three distinct sinks SELECT NEW, enum literals, and reflection-based comparators; an authenticated remo...

CVE-2026-11806: Inconsistent Interpretation of HTTP Requests

IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.6 is affected by an arbitrary file read vulnerability with the restConnector-2.0 feature enabled...

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...

CVE-2026-9002: Uncontrolled Resource Consumption

IBM WebSphere Extreme Scale 8.6.1.0 through 8.6.1.6 could allow an adjacent attacker to cause a denial of service due to improper validation in the XDF decoder. The application processes deeply nested Protocol Buffers messages and attacker-controlled length prefixes without sufficient bounds...

Security Bulletin: IBM WebSphere Application Server used by IBM Tivoli System Automation Application Manager is affected by multiple vulnerabilities when using when using Web Server Plug-ins(CVE-2026-8633, CVE-2026-8620)

Summary WebSphere Application Server is used by IBM Tivoli System Automation Application Manager and is vulnerable when using Web Server Plug-ins. Required fixes for affected WebSphere Application Server have been published in the security bulletins links below. Vulnerability Details...

IBM WebSphere Application Server 8.5.x < 8.5.5.30 / 9.x < 9.0.5.29 XSS (7277546)

The version of IBM WebSphere Application Server running on the remote host is affected by a XSS vulnerability as referenced in the 7277546 advisory. - IBM WebSphere Application Server is affected by a cross-site scripting vulnerability in the administrative console login page. CWE: CWE-79: Improp...