CVE-2026-11594: IBM WebSphere Application Server is affected by multiple cross-site scripting vulnerabilities

Published Jun 23, 2026
·
Updated

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

Other sources

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

— IBM

Affected Software

4 affected components
IBM WebSphere Application Server=9.0, =8.5
IBM WebSphere Application Server>=8.5.0.0<8.5.5.30
IBM WebSphere Application Server>=9.0.0.0<9.0.5.29
IBM Tivoli System Automation Application Manager<=4.1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade IBM WebSphere Application Server traditional 8.5 to a version that resolves this vulnerability.

    Fixed in 8.5.5.30Patch PH71757
  2. Upgrade

    Upgrade IBM WebSphere Application Server traditional 9.0 to a version that resolves this vulnerability.

    Fixed in 9.0.5.29Patch PH71757

Event History

Jun 30, 2026
CVE Published
via MITRE·08:50 PM
Data Sourced
via MITRE·08:50 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·09:16 PM
DescriptionSeverityWeaknessAffected Software
Jul 24, 2026
Data Sourced
via IBM·12:00 AM
DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the severity of CVE-2026-11594?

The severity of CVE-2026-11594 is rated as high with a score of 8.5.

2

What types of vulnerabilities are associated with CVE-2026-11594?

CVE-2026-11594 is associated with multiple cross-site scripting (XSS) vulnerabilities.

3

How do I fix CVE-2026-11594?

To fix CVE-2026-11594, apply the latest patches and updates provided by IBM for WebSphere Application Server.

4

Which versions of IBM WebSphere Application Server are affected by CVE-2026-11594?

IBM WebSphere Application Server versions 9.0 and 8.5 are affected by CVE-2026-11594.

5

What is the potential impact of CVE-2026-11594?

The potential impact of CVE-2026-11594 includes unauthorized access and manipulation of sensitive information through XSS attacks.

Company

Resources

Contact

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