How severe is CVE-2026-18161?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Vulnerability in IBM Financial Transaction Manager (Ftm) For Red Hat Openshift

CVE-2026-18161

IBM Financial Transaction Manager (FTM) for RedHat OpenShift could allow a remote authenticated attacker to falsify transaction audit logs due to improper validation of a client-supplied HTTP header.

Published 2026-09-22.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

IBM Financial Transaction Manager (Ftm) For Red Hat Openshift

Weakness classification (CWE)

CWE-778

References

www.ibm.com/support/pages/node/7288641 (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-18161?: CVE-2026-18161 is a medium-severity vulnerability in IBM Financial Transaction Manager (Ftm) For Red Hat Openshift, classified under CWE-778. CVSS score: 4.3/10. Published 2026-09-22.
How severe is CVE-2026-18161?: Medium severity. CVSS v3 base score is 4.3 out of 10.