CVE-2026-8633

CRITICAL

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

Title source: cna
STIX 2.1

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.

References (1)

Core 1
Core References
Vendor Advisory vendor-advisory patch
https://www.ibm.com/support/pages/node/7274072

Scores

CVSS v3 9.8
EPSS 0.0048
EPSS Percentile 37.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

CWE
CWE-94
Status published
Products (4)
IBM/Web Server Plug-ins for WebSphere Application Server and WebSphere Liberty 8.5, 9.0
ibm/websphere_application_server 8.5 (2 CPE variants)
ibm/websphere_application_server 9.0.0.0 (2 CPE variants)
ibm/websphere_application_server 8.5.0.0 - 8.5.5.29 (2 CPE variants)
Published May 26, 2026
Tracked Since May 26, 2026