CVE-2026-17646 IBM Financial Transaction Manager (FTM) is Impacted by Multiple Vulnerabilities

High 8.5 Published 22 Sep 2026 Updated 23 Sep 2026

A remote authenticated attacker can obtain sensitive information via XML external entity references in IBM Financial Transaction Manager for RedHat OpenShift.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-17646?

CVE-2026-17646 is a high-severity vulnerability in Ibm Financial Transaction Manager, published on 22 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

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.

Weakness: CWE-611

Which versions are affected by CVE-2026-17646?

It affects 1 product.

Products include Ibm Financial Transaction Manager.

How do I fix CVE-2026-17646?

No fix has been published for CVE-2026-17646 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-17646 being exploited?

There is no known exploitation of CVE-2026-17646 in the wild and no public exploit code.

All Ibm Financial Transaction Manager vulnerabilities

Sources

Also known as GHSA-pmw6-58jm-24g5.