CVE-2026-8400

EUVD-2026-53438
IBM WebSphere Application Server 8.5, and 9.0 and IBM WebSphere Application Server - Liberty Continuous delivery has a flaw in the ORB component in IBM SDK, Java Technology Edition, may allow a malicious IIOP server to induce loading and instantation of arbitrary classes.
Unsafe Reflection
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
ibmCNA
8.1 HIGH
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 41.57%
Affected Products (NVD)
VendorProductVersion
ibmwebsphere_application_server
-
ibmwebsphere_application_server
8.5.0.0
ibmwebsphere_application_server
9.0.0.0
𝑥
= Vulnerable software versions
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources (CNA/ADP records, vendor advisories, Enginsight analysis).
VendorProductVersionSource
ibmwebsphere
8.5
CNA
ibmwebsphere
9.0
CNA
Red Hat logo
Red Hat Enterprise Linux Releases
Red Hat Product
Release
java-1.8.0-ibm
RHEL 8
1:1.8.0.8.70-1.el8_10
fixed
java-1.8.0-ibm-demo
RHEL 8
1:1.8.0.8.70-1.el8_10
fixed
java-1.8.0-ibm-devel
RHEL 8
1:1.8.0.8.70-1.el8_10
fixed
java-1.8.0-ibm-headless
RHEL 8
1:1.8.0.8.70-1.el8_10
fixed
java-1.8.0-ibm-jdbc
RHEL 8
1:1.8.0.8.70-1.el8_10
fixed
java-1.8.0-ibm-plugin
RHEL 8
1:1.8.0.8.70-1.el8_10
fixed
java-1.8.0-ibm-src
RHEL 8
1:1.8.0.8.70-1.el8_10
fixed
java-1.8.0-ibm-webstart
RHEL 8
1:1.8.0.8.70-1.el8_10
fixed