# CVE-2026-18154: IBM Financial Transaction Manager weak cryptographic key

Source: https://junglewise.ai/threats/cve-2026-18154-ibm-financial-transaction-manager-ftm-for-redhat-openshift-could  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-22. Updated: 2026-09-26  
License: CC BY 4.0 with a link back

CVE-2026-18154 · Severity: high · CVSS 8 · Published 2026-09-22

IBM Financial Transaction Manager (FTM), a financial transaction processing platform for OpenShift environments, uses hard-coded or predictable cryptographic keys to protect sensitive data. A remote attacker can exploit this weakness to decrypt communications and extract confidential financial information without authentication.

Technologies: [IBM Financial Transaction Manager](https://junglewise.ai/threats/technologies/financial-transaction-manager). Vendors: [IBM](https://junglewise.ai/threats/vendors/ibm).

## Quick answers

**Is CVE-2026-18154 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-18154 being exploited in the wild.

**How severe is CVE-2026-18154?** High severity, with a CVSS score of 8, published 22 September 2026.

**Which products and versions are affected?** IBM Financial Transaction Manager.

**Is there a fix for CVE-2026-18154?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-18154 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-18154?** Check whether you run IBM Financial Transaction Manager. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

The vulnerability stems from use of hard-coded or predictable cryptographic keys in IBM FTM, allowing a remote unauthenticated attacker to obtain sensitive information through cryptographic attacks. The attack is network-accessible and requires no authentication, user interaction, or special conditions. An attacker gaining knowledge of or predicting the key material can decrypt sensitive data and forge authentication tokens.

## Affected products

- IBM Financial Transaction Manager

## Timeline

- 2026-09-22: disclosed

## References

- [https://www.ibm.com/support/pages/node/7288641](https://www.ibm.com/support/pages/node/7288641)

## Related threats

- [IBM Financial Transaction Manager XML external entity injection](https://junglewise.ai/threats/cve-2026-93030-ftm-4-x-all-could-allow-a-remote-authenticated-attacker-to-obtain)
- [IBM Financial Transaction Manager missing authentication in Business Rules Manager](https://junglewise.ai/threats/cve-2026-19267-ibm-financial-transaction-manager-ftm-for-redhat-openshift-is)
- [IBM Financial Transaction Manager boolean-based SQL injection](https://junglewise.ai/threats/cve-2026-19179-ibm-financial-transaction-manager-ftm-for-redhat-openshift-could)
- [IBM Financial Transaction Manager privilege escalation in container](https://junglewise.ai/threats/cve-2026-19087-ibm-financial-transaction-manager-ftm-for-redhat-openshift-could)
- [IBM Financial Transaction Manager RAG poisoning via unauthenticated runbook](https://junglewise.ai/threats/cve-2026-18875-ibm-financial-transaction-manager-ftm-for-redhat-openshift-is)