CVE-2026-8400

HIGH

IBM WebSphere 8.5/9.0 and Liberty - Unsafe Reflection via ORB

Title source: manual
STIX 2.1

Description

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.

References (1)

Core 1
Core References
Vendor Advisory vendor-advisory patch
https://www.ibm.com/support/pages/node/7282446

Scores

CVSS v3 8.1
EPSS 0.0044
EPSS Percentile 35.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-470
Status published
Products (3)
IBM/WebSphere Application Server 8.5
IBM/WebSphere Application Server 9.0
IBM/WebSphere Application Server - Liberty Continuous delivery
Published Aug 05, 2026
Tracked Since Aug 05, 2026