CVE-2026-9006: IBM WebSphere Application Server is affected by server-side request forgery

Published Jun 16, 2026
·
Updated

IBM WebSphere Application Server 9.0, and 8.5 is vulnerable to server-side request forgery (SSRF) with the Ajax Proxy configured. This may allow an attacker to send unauthorized requests from the system, resulting in a security bypass or information disclosure.

Other sources

IBM WebSphere Application Server is vulnerable to server-side request forgery (SSRF) with the Ajax Proxy configured. This may allow an attacker to send unauthorized requests from the system, resulting in a security bypass or information disclosure.

— IBM

Affected Software

9 affected components
IBM WebSphere Application Server<=9.0
IBM WebSphere Application Server<=8.5
All of the following
Any of the following
IBM WebSphere Application Server>=8.5.0.0<8.5.5.30
IBM WebSphere Application Server>=9.0.0.0<9.0.5.29
Any of the following
IBM AIX
IBM i
IBM Z\/os
Linux Linux kernel
Microsoft Windows

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 8.5.5.30
  2. Upgrade

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

    Fixed in 9.0.5.29
  3. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Patch PH71556

Event History

Jun 16, 2026
CVE Published
via IBM·12:00 AM
Data Sourced
via IBM·12:00 AM
DescriptionAffected Software
Jun 22, 2026
CVE Published
via MITRE·02:46 PM
Data Sourced
via MITRE·02:46 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·04:16 PM
DescriptionSeverityWeaknessAffected Software
May 9, 58583
Event
via FIRST·02:28 AM

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the severity of CVE-2026-9006?

The severity of CVE-2026-9006 is rated as critical with a score of 9.1.

2

How does CVE-2026-9006 affect IBM WebSphere Application Server?

CVE-2026-9006 allows an attacker to exploit server-side request forgery, potentially leading to unauthorized requests and information disclosure.

3

Which versions of IBM WebSphere Application Server are impacted by CVE-2026-9006?

IBM WebSphere Application Server versions 9.0 and 8.5 are affected by CVE-2026-9006.

4

What mitigation strategies exist for CVE-2026-9006?

To mitigate CVE-2026-9006, it is advisable to review and update the configuration of the Ajax Proxy and apply any relevant patches provided by IBM.

5

What is server-side request forgery (SSRF) in the context of CVE-2026-9006?

SSRF in the context of CVE-2026-9006 refers to a vulnerability that allows an attacker to send unauthorized requests from the server, potentially bypassing security controls.

Company

Resources

Contact

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