CVE-2026-8858

No fix known EPSS <1%CVSS 7.5

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.

Published 2026-06-22 · CVE record · OSV

Products: ibm websphere_application_server