CVE-2026-9171: Vulnerabilities in IBM WebSphere Application affects IBM PowerVM Novalink.

Published Jun 30, 2026
·
Updated

IBM WebSphere Application Server and WebSphere Application Server Liberty are vulnerable to a denial of service, caused by sending a specially-crafted request. A remote attacker could exploit this vulnerability to cause the server to consume memory resources.

Affected Software

12 affected components
IBM PowerVM Novalink
IBM PowerVM Novalink=2.2.0
IBM PowerVM Novalink=2.2.1
IBM PowerVM Novalink=2.2.1.1
IBM PowerVM Novalink=2.3.0
IBM PowerVM Novalink=2.3.0.1
IBM PowerVM Novalink=2.3.1
IBM PowerVM Novalink=2.3.2
IBM Security Verify Access<=10.0 - 10.0.9.2
IBM Verify Identity Access<=11.0 - 11.0.3
IBM Verify Identity Access Container<=11.0 - 11.0.3
IBM Security Verify Access Container<=10.0 - 10.0.9.2

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade PowerVM Novalink to a version that resolves this vulnerability.

    Fixed in 2.2.1.1Patch pvm-novalink-2.2.1.1-260708
  2. Upgrade

    Upgrade PowerVM Novalink to a version that resolves this vulnerability.

    Fixed in 2.3.3Patch pvm-novalink-2.3.3-260714

Event History

Jul 17, 2026
CVE Published
via MITRE·06:26 PM
Data Sourced
via MITRE·06:26 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·07:17 PM
DescriptionSeverityWeaknessAffected Software
Aug 10, 2026
Data Sourced
via IBM·12:00 AM
DescriptionAffected Software
May 9, 58583
Event
via FIRST·04:02 AM

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the severity of CVE-2026-9171?

The severity of CVE-2026-9171 is rated high, with a CVSS score of 7.5.

2

What type of vulnerability is CVE-2026-9171?

CVE-2026-9171 is a denial of service vulnerability affecting IBM PowerVM Novalink.

3

How can an attacker exploit CVE-2026-9171?

An attacker can exploit CVE-2026-9171 by sending a specially-crafted request that causes the server to consume excessive memory resources.

4

Which software is affected by CVE-2026-9171?

CVE-2026-9171 affects IBM PowerVM Novalink as well as IBM WebSphere Application Server and WebSphere Application Server Liberty.

5

What is the impact of CVE-2026-9171?

The impact of CVE-2026-9171 is that it can lead to a denial of service, making the server unavailable to legitimate users.

Contact

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