CVE-2026-18066 IBM Financial Transaction Manager (FTM) is Impacted by Multiple Vulnerabilities

High 7.9 Published 22 Sep 2026 Updated 23 Sep 2026

A local attacker can exploit server-side request forgery in IBM FTM to access sensitive information and trigger unauthorized actions.

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

What is CVE-2026-18066?

CVE-2026-18066 is a high-severity server-side request forgery 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 a local attacker to obtain sensitive information and trigger unauthorized actions due to server-side request forgery.

Weakness: CWE-918

Which versions are affected by CVE-2026-18066?

It affects 1 product.

Products include Ibm Financial Transaction Manager.

How do I fix CVE-2026-18066?

No fix has been published for CVE-2026-18066 yet. Limit exposure of the affected software until one is available.

Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.

Is CVE-2026-18066 being exploited?

There is no known exploitation of CVE-2026-18066 in the wild and no public exploit code.

All Ibm Financial Transaction Manager vulnerabilities

Sources

Also known as GHSA-5h9j-9h57-59rv.