CVE-2026-11711: IBM WebSphere Application Server prior to 9.0.5.29 and 8.5.5.31 are affected by multiple vulnerabilities

Published Sep 8, 2026
·
Updated

IBM WebSphere Application Server 9.0 and 8.5 is affected by a deserialization vulnerability in the Name Service component.

Other sources

IBM WebSphere Application Server is affected by a deserialization vulnerability in the Name Service component.

— IBM

Affected Software

2 affected components
IBM WebSphere Application Server<=9.0
IBM WebSphere Application Server<=8.5

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 8.5.5.31
  2. Upgrade

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

    Fixed in 9.0.5.29Patch SB0030823

Event History

Sep 8, 2026
CVE Published
via IBM·12:00 AM
Data Sourced
via IBM·12:00 AM
DescriptionAffected Software
Sep 18, 2026
CVE Published
via MITRE·07:08 PM
Data Sourced
via MITRE·07:08 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·08:17 PM
DescriptionSeverityWeakness

Parent advisories

This vulnerability appears in the following advisories.

Company

Resources

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