FTM Auth Bypass via Identity Forgery in IBM FTM on OpenShift
CVE-2026-18156 Published on September 22, 2026

IBM Financial Transaction Manager (FTM) is Impacted by Multiple Vulnerabilities
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.

Vendor Advisory NVD

Vulnerability Analysis

CVE-2026-18156 is exploitable with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, a high impact on integrity, and no impact on availability.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
LOW
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
NONE
Integrity Impact:
HIGH
Availability Impact:
NONE

Weakness Type

What is an AuthZ Vulnerability?

The software does not perform an authorization check when an actor attempts to access a resource or perform an action.

CVE-2026-18156 has been classified to as an AuthZ vulnerability or weakness.


Products Associated with CVE-2026-18156

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IBM Financial Transaction Manager Ftmfor Redhat Openshift
 

Affected Versions

IBM Financial Transaction Manager (FTM) for RedHat OpenShift: