CVE-2026-18123: IBM Financial Transaction Manager

High severity, CVSS 7.5. EPSS: 0.3% chance of exploitation in the next 30 days.

IBM Financial Transaction Manager (FTM) for RedHat OpenShift could allow a remote attacker to cause a denial of service due to the improper use of reflection with externally controlled input.

Affected products

• IBM Financial Transaction Manager: from 4.0.7.0, before 4.0.11.0 (fixed in 4.0.11.0); version 4.0.6.0 only

Published 2026-09-22. Last modified 2026-10-07.