CVE-2026-8400

9.8 criticalEPSS 0.5%

Critical (9.8) in ibm websphere application server. EPSS 0.5% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

9.8 critical

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

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 41% of CVEs (scores of 2026-10-31)
CWE: CWE-470
Published: 2026-08-05
Modified: 2026-08-10
Record from: the NVD, synced 2026-10-19

Affected

ibm:websphere_application_server

References

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

Check your stack JSON