Bug 2512497 (CVE-2026-8400) - CVE-2026-8400 java-1.8.0-ibm: Arbitrary class loading and instantiation via malicious IIOP server
Summary: CVE-2026-8400 java-1.8.0-ibm: Arbitrary class loading and instantiation via m...
Keywords:
Status: NEW
Alias: CVE-2026-8400
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-08-07 13:16 UTC by OSIDB Bzimport
Modified: 2026-08-10 16:46 UTC (History)
2 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
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System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2026:52949 0 None None None 2026-08-10 16:46:50 UTC

Description OSIDB Bzimport 2026-08-07 13:16:49 UTC 
A flaw in the ORB component in IBM SDK, Java Technology Edition, may allow a malicious IIOP server to induce loading and instantiation of arbitrary classes.
Comment 1 Mauro Matteo Cascella 2026-08-07 18:31:01 UTC 
Upstream references:
- https://www.ibm.com/support/pages/java-sdk-security-vulnerabilities#IBM_Security_Update_July_2026
- https://www.ibm.com/support/pages/node/7282446
Comment 2 errata-xmlrpc 2026-08-10 16:46:49 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:52949 https://access.redhat.com/errata/RHSA-2026:52949
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