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High severity · published Sep 23, 2026
CVE-2026-18875
IBM Financial Transaction Manager (FTM) is Impacted by Multiple Vulnerabilities
7.3
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 31% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FT
Financial Transaction Manager (FTM) for RedHat OpenShift · IBM
4.0.6.0 through 4.0.10.0 · source: vendor
FT
Financial Transaction Manager · Ibm
4.0.7.0 before 4.0.11.0; 4.0.6.0; 4.0.6.0; 4.0.6.0; 4.0.6.0; 4.0.6.0; +2 more · source: NVD
Affected product
FT
Financial Transaction Manager (FTM) for RedHat OpenShift
IBM
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-18875
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-18875
Vendor Advisory
https://www.ibm.com/support/pages/node/7288641
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