CVE-2026-18173 IBM Financial Transaction Manager (FTM) is Impacted by Multiple Vulnerabilities

Low 3.7 Published 22 Sep 2026 Updated 23 Sep 2026

Remote attackers can bypass mutual TLS authentication to access sensitive information in IBM Financial Transaction Manager for RedHat OpenShift.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-18173?

CVE-2026-18173 is a low-severity authentication bypass vulnerability in Ibm Financial Transaction Manager, published on 22 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

IBM Financial Transaction Manager (FTM) for RedHat OpenShift could allow a remote attacker to obtain sensitive information due to improper enforcement of mutual TLS authentication.

Weakness: CWE-295

Which versions are affected by CVE-2026-18173?

It affects 1 product.

Products include Ibm Financial Transaction Manager.

How do I fix CVE-2026-18173?

No fix has been published for CVE-2026-18173 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2026-18173 being exploited?

There is no known exploitation of CVE-2026-18173 in the wild and no public exploit code.

All Ibm Financial Transaction Manager vulnerabilities

Sources

Also known as GHSA-4fcv-23v2-wcm4.