How severe is CVE-2026-11546?

CVE-2026-11546 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability high.

Is CVE-2026-11546 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-11546?

CVE-2026-11546 affects Ibm Websphere Application Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-11546?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2026-11546 published?

CVE-2026-11546 was published on 2026-06-30 and last updated on 2026-07-02.

CVE-2026-11546

CVE-2026-11546 is a high-severity vulnerability in Ibm Websphere Application Server with a CVSS 3.x base score of 7.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-918.

Key facts

Severity: High (CVSS 3.x base score 7.1)
EPSS exploit prediction: 0% (13th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-918
Affected product: Ibm Websphere Application Server
Published: 2026-06-30
Last modified: 2026-07-02

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.

Frequently asked questions

What is CVE-2026-11546?: 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.
How severe is CVE-2026-11546?: CVE-2026-11546 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability high.
Is CVE-2026-11546 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-11546?: CVE-2026-11546 affects Ibm Websphere Application Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-11546?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2026-11546 published?: CVE-2026-11546 was published on 2026-06-30 and last updated on 2026-07-02.

References

https://www.ibm.com/support/pages/node/7278572

Affected products (1)

cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:liberty:*:*:*

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