Missing Authorization in IBM WebSphere Application Server - CVE-2026-11545

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Main Vulnerability Database Vulnerabilities #VU156280

Missing Authorization in IBM WebSphere Application Server - CVE-2026-11545

Published: October 20, 2026


Vulnerability identifier: #VU156280
CSH Severity: Medium
CVSS v4: 6.3 [CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-11545
CWE-ID: CWE-862
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to missing authorization checks. A remote attacker can gain unauthorized access to sensitive information from the administrative console.


Affected software

IBM WebSphere Application Server
IBM Security Guardium Key Lifecycle Manager (GKLM)

How to mitigate CVE-2026-11545

Install updates from vendor's website.

IBM WebSphere Application Server - addressed in versions 8.5.5.31, 9.0.5.29
IBM Security Guardium Key Lifecycle Manager (GKLM) - addressed in versions 4.1.1, 4.2, 4.2.1, 5.0, 5.1

External References

Related Security Bulletins