CVE-2026-18131 IBM Financial Transaction Manager (FTM) is Impacted by Multiple Vulnerabilities

High 8.2 Published 22 Sep 2026 Updated 23 Sep 2026

Remote attackers can execute arbitrary JavaScript in authenticated users' browsers via improper HTML input neutralization in IBM FTM.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2026-18131?

CVE-2026-18131 is a high-severity cross-site scripting vulnerability in Ibm Financial Transaction Manager, published on 22 Sep 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

IBM Financial Transaction Manager (FTM) for RedHat OpenShift could allow a remote attacker to execute arbitrary JavaScript in an authenticated user's browser due to improper neutralization of HTML input.

Weakness: CWE-79

Which versions are affected by CVE-2026-18131?

It affects 1 product.

Products include Ibm Financial Transaction Manager.

How do I fix CVE-2026-18131?

No fix has been published for CVE-2026-18131 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-2026-18131 being exploited?

There is no known exploitation of CVE-2026-18131 in the wild and no public exploit code.

All Ibm Financial Transaction Manager vulnerabilities

Sources

Also known as GHSA-59ph-2xpw-mvg5.