CVE-2026-11546: IBM WebSphere Application Server Liberty is affected by a server-side request forgery vulnerability

Published Jun 30, 2026
·
Updated

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.

Other sources

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

— IBM

Affected Software

4 affected components
IBM WebSphere Application Server Liberty>=17.0.0.3<=26.0.0.7
IBM WebSphere Application Server>=17.0.0.3<26.0.0.8
IBM PowerVM Novalink<=2.2.02.2.12.2.1.1
IBM PowerVM Novalink<=2.3.02.3.0.12.3.12.3.2

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

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

    Fixed in 26.0.0.8
  2. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Patch PH71841

Event History

Jun 30, 2026
CVE Published
via MITRE·07:51 PM
Data Sourced
via MITRE·07:51 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·08:17 PM
DescriptionSeverityWeaknessAffected Software
Jul 16, 2026
Data Sourced
via IBM·12:00 AM
DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2026-11546?

The severity of CVE-2026-11546 is critical with a CVSS score of 9.8.

2

How do I fix CVE-2026-11546?

To fix CVE-2026-11546, disable the adminCenter-1.0 feature if it is not needed and ensure you are using an updated version of IBM WebSphere Application Server Liberty.

3

What systems are affected by CVE-2026-11546?

CVE-2026-11546 affects IBM WebSphere Application Server Liberty versions from 17.0.0.3 to 26.0.0.7.

4

What type of vulnerability is CVE-2026-11546?

CVE-2026-11546 is a server-side request forgery (SSRF) vulnerability.

5

What are the potential impacts of CVE-2026-11546?

If exploited, CVE-2026-11546 may allow an attacker to perform unauthorized actions on behalf of the vulnerable server.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203