CVE-2026-8400 — HIGH (8.1) — White Hats Nepal

Vulnerability 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.

CVSS Score

8.1

HIGH

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

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-470

References

https://www.ibm.com/support/pages/node/7282446

FAQ

What is CVE-2026-8400?

CVE-2026-8400 is a vulnerability with a CVSS score of 8.1 (HIGH). 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 malici...

How severe is CVE-2026-8400?

CVE-2026-8400 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-8400?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.