CVE-2026-18156: IBM Financial Transaction Manager

Medium severity, CVSS 6.5. EPSS: 0.2% chance of exploitation in the next 30 days.

IBM Financial Transaction Manager (FTM) for RedHat OpenShift could allow a remote authenticated attacker to bypass security controls by forging user identities due to improper authorization.

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 2026-10-08.