Home

Description

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 Reserved 2026-05-18 | Published 2026-06-22 | Updated 2026-06-24 | Assigner ibm




HIGH: 7.5CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Problem types

CWE-94 Improper Control of Generation of Code ('Code Injection')

Product status

Default status
unaffected

7.6.0 (semver)
affected

7.5.0 (semver)
affected

7.4.0 (semver)
affected

7.3.0 (semver)
affected

References

www.ibm.com/support/pages/node/7277344 vendor-advisory patch

cve.org (CVE-2026-8858)

nvd.nist.gov (CVE-2026-8858)

Download JSON