What is CVE-2026-10842?

CVE-2026-10842 is a high-severity vulnerability in IBM Websphere Application Server, classified under CWE-289. CVSS score: 7.5/10. Published 2026-07-30.

How severe is CVE-2026-10842?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in IBM Websphere Application Server

CVE-2026-10842

IBM WebSphere Application Server 8.5, and 9.0 and IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.7 Traditional and Liberty could allow a remote attacker to bypass security constraints.

EPSS: 0.003 (23.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Ibm Websphere Application Server — versions 8.5, 9.0
Ibm Websphere_application_server
Ibm Websphere Application Server - Liberty — versions 17.0.0.3

Weakness classification (CWE)

CWE-289

References

psirt@us.ibm.com (vendor-advisory, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2026-10842?: CVE-2026-10842 is a high-severity vulnerability in IBM Websphere Application Server, classified under CWE-289. CVSS score: 7.5/10. Published 2026-07-30.
How severe is CVE-2026-10842?: High severity. CVSS v3 base score is 7.5 out of 10.