CVE-2026-18872

Critical

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.

SeverityCritical

CVSS9.3

Exploit probability—

Product

Ibm Financial Transaction Manager

PublishedSep 23, 2026

First seenSep 23, 2026

Weakness typeCWE-79Cross-site scripting (XSS)

How to fix

Update

ibm financial_transaction_manager4.0.11.0 or later

Patches

ibm.com/support/pages/node/7288641

Affected products

Product	Affected versions	Fixed in
ibm financial_transaction_manager	4.0.7.0 ≤ v < 4.0.11.0, 4.0.6.0	4.0.11.0

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