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CRITICAL · 9.3

CVE-2026-18872

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)....

Vulnerability 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.

CVSS Score

9.3

CRITICAL

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE

Affected Products

VendorProductVersions
IbmFinancial Transaction Manager>= 4.0.7.0, < 4.0.11.0
RedhatOpenshift-

Related Weaknesses (CWE)

CWE-79

References

FAQ

What is CVE-2026-18872?

CVE-2026-18872 is a vulnerability with a CVSS score of 9.3 (CRITICAL). 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)....

How severe is CVE-2026-18872?

CVE-2026-18872 has been rated CRITICAL with a CVSS base score of 9.3/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-18872?

Check the references section above for vendor advisories and patch information. Affected products include: Ibm Financial Transaction Manager, Redhat Openshift.