CVE-2026-18123

Analyzed Analyzed - Analysis Complete

IBM FTM for RedHat OpenShift DoS via Reflection

Publication date: 2026-09-22

Last updated on: 2026-10-07

Assigner: IBM Corporation

Description

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.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-09-22

Last Modified

2026-10-07

Generated

2026-10-13

AI Q&A

2026-09-23

EPSS Evaluated

2026-10-12

NVD

CVE-2026-18123

EUVD

EUVD-2026-84955

Affected Vendors & Products

Vendor	Product	Version / Range
ibm	financial_transaction_manager	From 4.0.7.0 (inc) to 4.0.11.0 (exc)
ibm	financial_transaction_manager	4.0.6.0
ibm	financial_transaction_manager	4.0.6.0
ibm	financial_transaction_manager	4.0.6.0
ibm	financial_transaction_manager	4.0.6.0
ibm	financial_transaction_manager	4.0.6.0
ibm	financial_transaction_manager	4.0.6.0
ibm	financial_transaction_manager	4.0.6.0

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-470	The product uses external input with reflection to select which classes or code to use, but it does not sufficiently prevent the input from selecting improper classes or code.

Attack-Flow Graph

Executive Summary

IBM Financial Transaction Manager (FTM) for RedHat OpenShift is vulnerable to a denial of service attack due to improper use of reflection with externally controlled input. This means an attacker could exploit this flaw to disrupt the availability of the system.

Detection Guidance

Detection of CVE-2026-18123 requires monitoring for unusual network traffic or system behavior related to IBM Financial Transaction Manager (FTM) on RedHat OpenShift. Check for excessive resource usage or crashes in FTM components. Review logs for reflection-based attacks or unexpected input handling. No specific commands are provided in the context.

Impact Analysis

This vulnerability could allow a remote attacker to cause a denial of service, potentially disrupting the availability of IBM Financial Transaction Manager (FTM) for RedHat OpenShift. This may lead to service unavailability or degraded performance for users relying on the system.

Compliance Impact

This vulnerability could impact compliance with GDPR and HIPAA by potentially disrupting the availability of financial transaction systems, which may lead to unauthorized access or data processing interruptions. Denial of service risks may violate requirements for data integrity and availability under these regulations.

Mitigation Strategies

Apply IBM-provided patches or updates for IBM Financial Transaction Manager (FTM) for RedHat OpenShift to address the improper reflection issue. Monitor IBM security advisories for fixes and restrict network access to FTM services to trusted sources only.

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