What is CVE-2026-18173?

CVE-2026-18173 is a low-severity vulnerability in IBM Financial Transaction Manager (Ftm) For Red Hat Openshift, classified under Improper Certificate Validation. CVSS score: 3.7/10. Published 2026-09-22.

How severe is CVE-2026-18173?

Low severity. CVSS v3 base score is 3.7 out of 10.

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

CVE-2026-18173

IBM Financial Transaction Manager (FTM) for RedHat OpenShift could allow a remote attacker to obtain sensitive information due to improper enforcement of mutual TLS authentication.

Vulnerability class: Improper Certificate Validation

Published 2026-09-22.

CVSS v3 metric

CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/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-295 — Improper Certificate Validation

References

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

Frequently asked questions

What is CVE-2026-18173?: CVE-2026-18173 is a low-severity vulnerability in IBM Financial Transaction Manager (Ftm) For Red Hat Openshift, classified under Improper Certificate Validation. CVSS score: 3.7/10. Published 2026-09-22.
How severe is CVE-2026-18173?: Low severity. CVSS v3 base score is 3.7 out of 10.