CVE-2026-11713: IBM WebSphere Application Server Liberty Incorrect Authorization

Published Oct 6, 2026
·
Updated

IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.9 is affected by a privilege escalation vulnerability with the restConnector-2.0 feature enabled.

Other sources

IBM WebSphere Application Server Liberty is affected by a privilege escalation vulnerability with the restConnector-2.0 feature enabled.

— IBM

Affected Software

1 affected component
IBM WebSphere Application Server - Liberty<=17.0.0.3 - 26.0.0.9

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 26.0.0.10

Event History

Oct 6, 2026
CVE Published
via IBM·12:00 AM
Data Sourced
via IBM·12:00 AM
DescriptionAffected Software
Oct 13, 2026
CVE Published
via MITRE·08:15 PM
Data Sourced
via MITRE·08:15 PM
RemedyDescriptionSeverityWeakness

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

Which deployments are affected?

IBM WebSphere Application Server Liberty versions 17.0.0.3 through 26.0.0.9 are affected when the restConnector-2.0 feature is enabled.

2

What level of access does an attacker need?

The vector indicates that an attacker needs network access and low-level privileges. No user interaction is required.

3

Is the restConnector-2.0 feature required for exposure?

Yes. The vulnerability is described as affecting Liberty deployments with restConnector-2.0 enabled; the provided data does not indicate that deployments without this feature are affected.

4

What is the potential impact?

The issue can allow privilege escalation and has low confidentiality and integrity impact in the supplied severity vector. No availability impact is indicated.

Contact

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