SECURELYN

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). 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.

Scores

9.3
CVSS 9.3 out of 10, critical severity.
0.2%
EPSS 0.2% chance of exploitation in the next 30 days.

The facts

Published
23 September 2026
Last changed
7 October 2026
NVD status
Analyzed
Severity
Critical, CVSS 9.3 out of 10 (version 3.1)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
Weakness
Affects
  • ibm financial transaction manager
Known exploited
Not in the CISA Known Exploited Vulnerabilities catalogue in this build.
EPSS
0.2% chance of exploitation activity in the next 30 days (percentile 8).

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References