CVE-2026-18875 IBM Financial Transaction Manager (FTM) is Impacted by Multiple Vulnerabilities

High 7.3 Published 23 Sep 2026 Updated 23 Sep 2026

Unauthenticated attackers can poison the AI agent's vector database to manipulate payment actions or exfiltrate data in IBM FTM.

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-2026-18875?

CVE-2026-18875 is a high-severity vulnerability in Ibm Financial Transaction Manager, published on 23 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 is vulnerable to RAG poisoning via unauthenticated runbook upsert (CWE-74) in the FTM AI agent server (api.vectordb.runbooks.js:51). An unauthenticated attacker can insert malicious runbook content into the agent's vector database to steer AI-driven MCP tool calls, potentially triggering unauthorized payment actions or exfiltrating payment data.

Weakness: CWE-74

Which versions are affected by CVE-2026-18875?

It affects 1 product.

Products include Ibm Financial Transaction Manager.

How do I fix CVE-2026-18875?

No fix has been published for CVE-2026-18875 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-18875 being exploited?

There is no known exploitation of CVE-2026-18875 in the wild and no public exploit code.

All Ibm Financial Transaction Manager vulnerabilities

Sources

Also known as GHSA-6r8h-q9qx-q8m5.