What is CVE-2026-17637?

CVE-2026-17637 is a high-severity vulnerability in IBM Financial Transaction Manager (Ftm) For Red Hat Openshift, classified under Deserialization of Untrusted Data. CVSS score: 8.8/10. Published 2026-09-22.

How severe is CVE-2026-17637?

High severity. CVSS v3 base score is 8.8 out of 10.

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

CVE-2026-17637

IBM Financial Transaction Manager (FTM) for RedHat OpenShift could allow an adjacent-network attacker to execute arbitrary code due to deserialization of untrusted data.

Vulnerability class: Insecure Deserialization

Published 2026-09-22.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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-502 — Deserialization of Untrusted Data

References

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

Frequently asked questions

What is CVE-2026-17637?: CVE-2026-17637 is a high-severity vulnerability in IBM Financial Transaction Manager (Ftm) For Red Hat Openshift, classified under Deserialization of Untrusted Data. CVSS score: 8.8/10. Published 2026-09-22.
How severe is CVE-2026-17637?: High severity. CVSS v3 base score is 8.8 out of 10.