CVE-2026-18163: IBM Financial Transaction Manager

Critical severity, CVSS 9.8. EPSS: 0.5% chance of exploitation in the next 30 days.

IBM Financial Transaction Manager (FTM) for RedHat OpenShift could allow a remote attacker to execute arbitrary code due to improper deserialization of untrusted data.

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 2026-10-06.