CVE-2026-18179: IBM Financial Transaction Manager missing authorization in chat sessions

CVE-2026-18179 · Severity: medium · CVSS 6.5 · Published 2026-09-23

IBM Financial Transaction Manager (FTM) is a transaction processing platform used for financial operations and payment processing. A remote attacker can clear active chat sessions without proper authorization, disrupting communications between operators and customers or between internal teams. This vulnerability requires no credentials or user interaction, allowing an unauthenticated attacker to cause immediate business disruption.

Technologies: IBM Financial Transaction Manager. Vendors: IBM.

Quick answers

Is CVE-2026-18179 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-18179 being exploited in the wild.
How severe is CVE-2026-18179?
Medium severity, with a CVSS score of 6.5, published 23 September 2026.
Which products and versions are affected?
IBM Financial Transaction Manager.
Is there a fix for CVE-2026-18179?
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-2026-18179 attacked?
It is attacked over the network, in a hosted service.
Am I affected by CVE-2026-18179?
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 missing authorization checks (CWE-862) in the chat session management functionality of IBM FTM. An unauthenticated remote attacker can invoke operations to terminate active chat sessions without needing to authenticate or satisfy any access control requirements. The impact is limited to integrity and availability of the chat service itself, with no confidentiality exposure.

Affected products

  • IBM Financial Transaction Manager

Timeline

  • 2026-09-23: disclosed

References

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