Name: CVE-2026-8858: Improper Control of Generation of Code
Creator: Rapid7
Published: 2026-06-22T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-8858, CWE-94, CVSS 8.8, EPSS 0.0041

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.

CVSS Details

CVSS 3.1 Base Score: 8.8
CVSS 3.1 Vector: (CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Ibm Was	—	Upgrade to minimal fix pack levels as required by interim fixes and then apply latest Interim Fix.	Jun 22, 2026	Jun 22, 2026

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CVSS Details

Covered by Rapid7

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