CVE-2026-8858
HIGH
NVD
CVSS Score
7.5
Severity
HIGH
Published
Jun 22, 2026
Vendor
unknown
Description
IBM i 7.6, 7.5, 7.4, and 7.3, IBM WebSphere Application Server and IBM WebSphere Application Server Liberty are vulnerable to remote code execution and denial of service in the WebSphere Web Server Plug-in component. This vulnerability can be exploited when an attacker impersonates the application server and sends crafted responses to the plug-in.