Security features bypass in IBM WebSphere Application Server Liberty - CVE-2026-5516

 

Security features bypass in IBM WebSphere Application Server Liberty - CVE-2026-5516

Published: May 21, 2026


Vulnerability identifier: #VU132031
CSH Severity: Low
CVSS v4: 5.9 [CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-5516
CWE-ID: CWE-254
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote privileged attacker to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application. A remote privileged attacker can gain unauthorized access to sensitive information on the system.


Affected software

IBM WebSphere Application Server Liberty
IBM Tivoli Application Dependency Discovery Manager
IBM Cloud Transformation Advisor
IBM Tivoli Monitoring
IBM TXSeries for Multiplatforms
IBM SPSS Collaboration and Deployment Services
IBM Transformation Extender Advanced
PowerVM NovaLink
Storage Protect for Virtual Environments: Data Protection for VMware
Storage Protect for Virtual Environments: Data Protection for Hyper-V
Application Modernization Accelerator
Storage Protect Operations Center

How to mitigate CVE-2026-5516

Install updates from vendor's website.

IBM WebSphere Application Server Liberty - update to 26.0.0.6
IBM Cloud Transformation Advisor - update to 5.0.0
PowerVM NovaLink - addressed in versions 2.2.1.1-260708, 2.3.3-260714
IBM Tivoli Monitoring - update to 6.3.0.7 Service Pack 22
Storage Protect for Virtual Environments: Data Protection for VMware - update to 8.2.2.0
Storage Protect for Virtual Environments: Data Protection for Hyper-V - update to 8.2.2.0
IBM TXSeries for Multiplatforms - update to 11.1.0.0 ifix22
IBM Transformation Extender Advanced - update to 10.0.2.2
Application Modernization Accelerator - update to 5.0.0
Storage Protect Operations Center - update to 8.2.2

External References

Related Security Bulletins