---
title: "CVE-2026-18875: IBM Financial Transaction Manager - Template Injection"
description: "IBM Financial Transaction Manager (FTM) for RedHat OpenShift contains a template injection caused by unauthenticated runbook upsert in the FTM AI agent server, letting unauthenticated attackers trigger unauthorized payment actions or exfiltrate payment data."
url: https://panop.io/threat-heartbeat/CVE-2026-18875/
---

# CVE-2026-18875 IBM Financial Transaction Manager - Template Injection

IBM Financial Transaction Manager (FTM) for RedHat OpenShift contains a template injection caused by unauthenticated runbook upsert in the FTM AI agent server, letting unauthenticated attackers trigger unauthorized payment actions or exfiltrate payment data.

CVSS base score 7.3 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.22% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-18875)

## Details

Type

Template Injection

Impact

Data Tampering, Information Disclosure

CVSS vector

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

Published

23 September 2026

Updated

15 October 2026

Weakness

[CWE-74](https://cwe.mitre.org/data/definitions/74.html)

## Vendor fix

Update to the latest available version with the fix for runbook upsert vulnerability.

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-2026-18875](https://nvd.nist.gov/vuln/detail/CVE-2026-18875)
- [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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