CVE-2026-8633
Analyzed Analyzed - Analysis Complete
Remote Code Execution in IBM WebSphere Plug-ins

Publication date: 2026-05-26

Last updated on: 2026-05-27

Assigner: IBM Corporation

Description
IBM Web Server Plug-ins for WebSphere Application Server and WebSphere Liberty 8.5, 9.0 IBM WebSphere Application Server and WebSphere Application Server Liberty are vulnerable to remote code execution in the Web Server Plug-ins, through a specially crafted request.
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Meta Information
Published
2026-05-26
Last Modified
2026-05-27
Generated
2026-06-16
AI Q&A
2026-05-26
EPSS Evaluated
2026-06-14
NVD
CVE-2026-8633
EUVD
EUVD-2026-31927
Affected Vendors & Products
Showing 4 associated CPEs
Vendor Product Version / Range
ibm websphere_application_server From 8.5.0.0 (inc) to 8.5.5.29 (inc)
ibm websphere_application_server From 9.0.0.0 (inc) to 9.0.5.27 (inc)
ibm websphere_application_server From 8.5.0.0 (inc) to 8.5.5.29 (inc)
ibm websphere_application_server From 9.0.0.0 (inc) to 9.0.5.27 (inc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-94 The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.
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Mitigation Strategies

IBM recommends applying interim fixes or future fix packs (9.0.5.28+ or 8.5.5.30+) to address vulnerabilities related to the Web Server Plug-ins in WebSphere Application Server and WebSphere Application Server Liberty.

No workarounds are currently available, so applying the provided fixes as soon as possible is the immediate mitigation step.

Executive Summary

This vulnerability affects IBM Web Server Plug-ins for WebSphere Application Server and WebSphere Liberty versions 8.5 and 9.0. It allows remote code execution through a specially crafted request sent to the Web Server Plug-ins.

Impact Analysis

The vulnerability can have a severe impact as it allows an attacker to remotely execute code on the affected system without any privileges or user interaction. This can lead to full compromise of confidentiality, integrity, and availability of the system.

Compliance Impact

The vulnerability in IBM WebSphere Application Server and WebSphere Liberty allows remote code execution through specially crafted requests, which can lead to high impacts on confidentiality, integrity, and availability of data.

Such impacts could potentially affect compliance with common standards and regulations like GDPR and HIPAA, which require protection of sensitive data and maintaining system integrity and availability.

However, the provided information does not explicitly describe the direct effects on compliance with these standards or any specific regulatory implications.

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