CVE-2026-8633

EUVD-2026-31927
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.
Code Injection
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 53%
Affected Products (NVD)
VendorProductVersion
ibmwebsphere_application_server
8.5.0.0 ≤
𝑥
≤ 8.5.5.29
ibmwebsphere_application_server
8.5.0.0 ≤
𝑥
≤ 8.5.5.29
ibmwebsphere_application_server
9.0.0.0 ≤
𝑥
≤ 9.0.5.27
ibmwebsphere_application_server
9.0.0.0 ≤
𝑥
≤ 9.0.5.27
𝑥
= Vulnerable software versions