Vulnerability Details CVE-2026-8858
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 17.3%
CVSS Severity
CVSS v3 Score 7.5
Products affected by CVE-2026-8858