CVE-2026-18872

CRITICAL CVSS 3.1: 9.3 EPSS 0.19%
Updated Oct 07, 2026
IBM
Parameter Value
CVSS 9.3 (CRITICAL)
Affected Versions 4.0.7.0 — 4.0.11.0
Fixed In 4.0.11.0
Type CWE-79 (Cross-Site Scripting (XSS))
Vendor IBM
Public PoC No

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.

Attack Parameters

Attack Vector
Adjacent
Requires local network access
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
None
No disruption

CVSS Vector v3.1

Vulnerable Products 9

Configuration From (including) Up to (excluding)
Ibm Financial_Transaction_Manager
cpe:2.3:a:ibm:financial_transaction_manager:*:*:*:*:*:-:*:*
4.0.7.0 4.0.11.0
Ibm Financial_Transaction_Manager
cpe:2.3:a:ibm:financial_transaction_manager:4.0.6.0:-:*:*:*:-:*:*
— —
Ibm Financial_Transaction_Manager
cpe:2.3:a:ibm:financial_transaction_manager:4.0.6.0:interim_fix_1:*:*:*:-:*:*
— —
Ibm Financial_Transaction_Manager
cpe:2.3:a:ibm:financial_transaction_manager:4.0.6.0:interim_fix_2:*:*:*:-:*:*
— —
Ibm Financial_Transaction_Manager
cpe:2.3:a:ibm:financial_transaction_manager:4.0.6.0:interim_fix_3:*:*:*:-:*:*
— —
Ibm Financial_Transaction_Manager
cpe:2.3:a:ibm:financial_transaction_manager:4.0.6.0:interim_fix_4:*:*:*:-:*:*
— —
Ibm Financial_Transaction_Manager
cpe:2.3:a:ibm:financial_transaction_manager:4.0.6.0:interim_fix_5:*:*:*:-:*:*
— —
Ibm Financial_Transaction_Manager
cpe:2.3:a:ibm:financial_transaction_manager:4.0.6.0:interim_fix_6:*:*:*:-:*:*
— —
Redhat Openshift
cpe:2.3:a:redhat:openshift:-:*:*:*:*:*:*:*
— —