CVE-2026-18152

Received Received - Intake

Improper Signature Verification in IBM Financial Transaction Manager

Publication date: 2026-09-22

Last updated on: 2026-09-22

Assigner: IBM Corporation

Description

IBM Financial Transaction Manager (FTM) for RedHat OpenShift could allow a remote attacker to forge validly-signed messages due to improper verification of cryptographic signatures.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-09-22

Last Modified

2026-09-22

Generated

2026-09-23

AI Q&A

2026-09-23

EPSS Evaluated

N/A

NVD

CVE-2026-18152

Affected Vendors & Products

Vendor	Product	Version / Range
ibm	financial_transaction_manager	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-347	The product does not verify, or incorrectly verifies, the cryptographic signature for data.

Attack-Flow Graph

Executive Summary

IBM Financial Transaction Manager (FTM) for RedHat OpenShift has a flaw where it fails to properly verify cryptographic signatures. This allows a remote attacker to forge messages that appear to be validly signed, potentially leading to unauthorized actions or data manipulation.

Impact Analysis

This vulnerability could allow attackers to send forged messages that the system treats as legitimate. This may result in unauthorized transactions, data breaches, or other malicious activities depending on how the system is used.

Compliance Impact

This vulnerability could lead to unauthorized access or data manipulation, which may violate compliance requirements such as GDPR (data integrity and confidentiality) or HIPAA (secure handling of protected health information). Organizations using this software may face regulatory penalties or legal consequences.

Mitigation Strategies

Apply IBM-provided patches or updates for IBM Financial Transaction Manager (FTM) for RedHat OpenShift to ensure proper verification of cryptographic signatures. Monitor IBM security advisories for fixes and restrict network access to FTM components to trusted sources only.

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