---
title: "CVE-2026-18152: IBM Financial Transaction Manager - Authentication Bypass"
description: "IBM Financial Transaction Manager (FTM) for RedHat OpenShift contains a cryptographic signature verification flaw, letting remote attackers forge validly-signed messages, exploit requires network access."
url: https://panop.io/threat-heartbeat/CVE-2026-18152/
---

# CVE-2026-18152 IBM Financial Transaction Manager - Authentication Bypass

IBM Financial Transaction Manager (FTM) for RedHat OpenShift contains a cryptographic signature verification flaw, letting remote attackers forge validly-signed messages, exploit requires network access.

CVSS base score 7.4 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.18% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-18152)

## Details

Type

Authentication Bypass

Impact

Data Tampering

CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N

Published

22 September 2026

Updated

15 October 2026

Weakness

[CWE-347](https://cwe.mitre.org/data/definitions/347.html)

## Vendor fix

Update to the latest version with proper cryptographic signature verification.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-18152](https://nvd.nist.gov/vuln/detail/CVE-2026-18152)
- [https://www.ibm.com/support/pages/node/7288641](https://www.ibm.com/support/pages/node/7288641)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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