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

High 7.1 Published Updated

Attackers can exploit SSRF in IBM WebSphere Liberty when adminCenter is enabled to access internal resources or bypass security controls.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-11546?

CVE-2026-11546 is a high-severity server-side request forgery vulnerability in Ibm Websphere Application Server, published on 30 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

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.

Weakness: CWE-918

Which versions are affected by CVE-2026-11546?

It affects 1 product.

Products include Ibm Websphere Application Server.

How do I fix CVE-2026-11546?

No fix has been published for CVE-2026-11546 yet. Limit exposure of the affected software until one is available.

Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.

Is CVE-2026-11546 being exploited?

There is no known exploitation of CVE-2026-11546 in the wild and no public exploit code.

All Ibm Websphere Application Server vulnerabilities

Sources

Also known as GHSA-7m34-7chv-8x87.

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