CVE-2026-8633

IBM WebSphere Application Server and WebSphere Application Server Liberty are affected by multiple vulnerabilities when using when using Web Server Plug-ins

State: Published
Severity: 9.8 Critical
Published: May 26, 2026
Updated: May 27, 2026
Reserved: May 14, 2026

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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.

Scores

CVSS	Score	Vector	Source
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	ibm

Weaknesses

CWE-94 Improper Control of Generation of Code ('Code Injection')

Affected Products

Product	Versions
Web Server Plug-ins for WebSphere Application Server and WebSphere LibertyIBM	8.5, 9.0Affected

References

https://www.ibm.com/support/pages/node/7274072vendor-advisorypatch

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