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CVE-2026-18872: IBM Financial Transaction Manager (FTM) is Impacted by Multiple Vulnerabilities
- Severity: critical (CVSS 9.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-09-23 · updated 2026-10-07
- Weakness: CWE-79
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.
Affected products
- IBM Financial Transaction Manager (FTM) for RedHat OpenShift: from 4.0.7.0 before 4.0.11.0; 4.0.6.0, 4.0.6.0-interim_fix_1, 4.0.6.0-interim_fix_2, 4.0.6.0-interim_fix_3, 4.0.6.0-interim_fix_4, 4.0.6.0-interim_fix_5 (+1) — fixed in 4.0.11.0
How to fix
Upgrade to a fixed version: IBM Financial Transaction Manager (FTM) for RedHat OpenShift 4.0.11.0. Check the vendor advisory for mitigations.
References
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