CVE-2026-16184: IBM WebSphere Application Server is affected by an authentication bypass

Published Jul 28, 2026
·
Updated

IBM WebSphere Application Server 9.0, and 8.5 could allow a remote attacker to bypass authentication by sending a crafted unauthenticated request.

Other sources

IBM WebSphere Application Server could allow a remote attacker to bypass authentication by sending a crafted unauthenticated request.

— IBM

Affected Software

4 affected components
IBM WebSphere Application Server<=9.0
IBM WebSphere Application Server<=8.5
IBM WebSphere Application Server>=8.5.0.0<8.5.5.31
IBM WebSphere Application Server>=9.0.0.0<9.0.5.29

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 8.5.5.31Patch APAR DT496677
  2. Upgrade

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

    Fixed in 9.0.5.29Patch APAR DT496677

Event History

Jul 28, 2026
CVE Published
via IBM·12:00 AM
Data Sourced
via IBM·12:00 AM
DescriptionAffected Software
CVE Published
via MITRE·07:50 PM
Data Sourced
via MITRE·07:50 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·08:17 PM
DescriptionSeverityWeaknessAffected Software
Nov 10, 58558
Event
via NVD·07:27 AM

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the severity of CVE-2026-16184?

The severity of CVE-2026-16184 is classified as high with a score of 7.

2

How do I fix CVE-2026-16184?

To fix CVE-2026-16184, update IBM WebSphere Application Server to the latest version that addresses the authentication bypass vulnerability.

3

What systems are affected by CVE-2026-16184?

CVE-2026-16184 affects IBM WebSphere Application Server versions 9.0 and 8.5.

4

How does CVE-2026-16184 allow unauthorized access?

CVE-2026-16184 allows a remote attacker to bypass authentication by sending a crafted unauthenticated request.

5

What are the potential risks of CVE-2026-16184?

The potential risks of CVE-2026-16184 include unauthorized access to sensitive data and potential system compromise.

Company

Resources

Contact

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