# CVE-2026-8400

## Summary

- **CVE ID:** CVE-2026-8400
- **Severity:** HIGH
- **CVSS Score:** 8.1 (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)
- **CWE:** CWE-470
- **Published:** Aug 5, 2026
- **Last Modified:** Aug 6, 2026

## 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.

## Affected Products

- IBM — WebSphere Application Server (8.5)
- IBM — WebSphere Application Server (9.0)
- IBM — WebSphere Application Server - Liberty (Continuous delivery)

## References

- [CNA](https://www.ibm.com/support/pages/node/7282446)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.27%
- **EPSS Percentile:** 19.6

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._