Remote Code Execution Vulnerability in IBM Financial Transaction Manager for RedHat OpenShift
CVE-2026-18490

8.8HIGH

Key Information:

Vendor

IBM
Status
Financial Transaction Manager (ftm) for Red Hat Openshift
Vendor
CVE Published:
23 September 2026

What is CVE-2026-18490?

IBM Financial Transaction Manager for RedHat OpenShift is susceptible to an unauthenticated remote code execution vulnerability. An attacker on an adjacent network can exploit this flaw through crafted serialized payloads delivered to the PayDir Business Rules Manager RMI SSL endpoint. This vulnerability allows for arbitrary code execution, compromising the security of PayDir credentials and enabling unauthorized alterations to payment business rules.

Affected Version(s)

Financial Transaction Manager (FTM) for RedHat OpenShift 4.0.6.0 <= 4.0.10.0

References

https://www.ibm.com/support/pages/node/7288641
vendor-advisorypatch

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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