CVE-2026-8633criticalCWE-94

CVE-2026-8633: critical vulnerability in IBM Web Server Plug-ins for WebSphere…

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

Published · Updated

Follow this CVE+ Monitor Web Server Plug-ins for WebSphere Application Server and WebSphere Liberty

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

28Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 9.8epss 0.9%
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
IBM · Web Server Plug-ins for WebSphere Application Server and WebSphere Liberty
Related CVEs — IBM Web Server Plug-ins for WebSphere…

In the same product, most dangerous first.

CVE-2026-8620HIGHIBM WebSphere Application Server and WebSphere Application Server Liberty are affected by multiple vulnerabilities when using when using Web Server Plug-insEPSS 0.3%