CVE-2026-18872 IBM Financial Transaction Manager (FTM) is Impacted by Multiple Vulnerabilities

Critical 9.3 Published 23 Sep 2026 Updated 23 Sep 2026

Attackers can inject scripts into stored data to hijack operator sessions and perform unauthorized payment actions in IBM FTM.

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-2026-18872?

CVE-2026-18872 is a critical cross-site scripting vulnerability in Ibm Financial Transaction Manager, published on 23 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 is vulnerable to stored cross-site scripting (CWE-79) in the FTM UI NetworkAcknowledgement React component (NetworkAcknowledgement.jsx:42). A malicious actor can inject script into stored network acknowledgement data that executes in authenticated operator browsers, enabling session hijacking and unauthorized operator-level payment actions.

Weakness: CWE-79

Which versions are affected by CVE-2026-18872?

It affects 1 product.

Products include Ibm Financial Transaction Manager.

How do I fix CVE-2026-18872?

No fix has been published for CVE-2026-18872 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2026-18872 being exploited?

There is no known exploitation of CVE-2026-18872 in the wild and no public exploit code.

All Ibm Financial Transaction Manager vulnerabilities

Sources

Also known as GHSA-r4f9-2vq5-44rh.