CVE-2026-17637 IBM Financial Transaction Manager (FTM) is Impacted by Multiple Vulnerabilities

High 8.8 Published 22 Sep 2026 Updated 23 Sep 2026

An adjacent-network attacker can execute arbitrary code in IBM Financial Transaction Manager due to unsafe deserialization of untrusted data.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-17637?

CVE-2026-17637 is a high-severity unsafe deserialization vulnerability in Ibm Financial Transaction Manager, published on 22 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

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

Weakness: CWE-502

Which versions are affected by CVE-2026-17637?

It affects 1 product.

Products include Ibm Financial Transaction Manager.

How do I fix CVE-2026-17637?

No fix has been published for CVE-2026-17637 yet. Limit exposure of the affected software until one is available.

Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.

Is CVE-2026-17637 being exploited?

There is no known exploitation of CVE-2026-17637 in the wild and no public exploit code.

All Ibm Financial Transaction Manager vulnerabilities

Sources

Also known as GHSA-r6g2-fv62-3qp9.