What is CVE-2026-17646?

CVE-2026-17646 is a high-severity vulnerability in IBM Financial Transaction Manager (Ftm) For Red Hat Openshift, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 8.5/10. Published 2026-09-22.

How severe is CVE-2026-17646?

High severity. CVSS v3 base score is 8.5 out of 10.

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

CVE-2026-17646

IBM Financial Transaction Manager (FTM) for RedHat OpenShift could allow a remote authenticated attacker to obtain sensitive information due to improper restriction of XML external entity references.

Vulnerability class: XXE (XML External Entity)

Published 2026-09-22.

CVSS v3 metric

CVSS v3 base score 8.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/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-611 — Improper Restriction of XML External Entity Reference (XXE)

References

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

Frequently asked questions

What is CVE-2026-17646?: CVE-2026-17646 is a high-severity vulnerability in IBM Financial Transaction Manager (Ftm) For Red Hat Openshift, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 8.5/10. Published 2026-09-22.
How severe is CVE-2026-17646?: High severity. CVSS v3 base score is 8.5 out of 10.