CVE-2026-9327: 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 could allow an authenticated user with a low-privilege administrative role to modify security configuration. This could result in information disclosure or denial of service.

Other sources

IBM WebSphere Application Server could allow an authenticated user with a low-privilege administrative role to modify security configuration. This could result in information disclosure or denial of service.

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 10, 2026
CVE Published
via MITRE·08:44 PM
Data Sourced
via MITRE·08:44 PM
RemedyDescriptionSeverityWeakness

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

Does exploitation require an unauthenticated attacker?

No. Exploitation requires an authenticated user that has a low-privilege administrative role in IBM WebSphere Application Server.

2

What outcomes should be considered if this issue is exploited?

An attacker may be able to modify security configuration, potentially leading to information disclosure or denial of service.

Contact

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