Vulnerability Details CVE-2026-18490
IBM Financial Transaction Manager (FTM) for RedHat OpenShift is vulnerable to unauthenticated remote code execution via Java native deserialization on the PayDir Business Rules Manager RMI SSL endpoint (BrmRMISSLServerSocketFactory.java:95, EP8). An adjacent-network attacker can deliver a crafted serialized payload to achieve arbitrary code execution, exposing all PayDir credentials and enabling manipulation of payment business rules.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 15.4%
CVSS Severity
CVSS v3 Score 8.8
Products affected by CVE-2026-18490
-
cpe:2.3:a:ibm:financial_transaction_manager:4.0.10.0
-
cpe:2.3:a:ibm:financial_transaction_manager:4.0.6.0
-
cpe:2.3:a:ibm:financial_transaction_manager:4.0.7.0
-
cpe:2.3:a:ibm:financial_transaction_manager:4.0.8.0
-
cpe:2.3:a:ibm:financial_transaction_manager:4.0.9.0
-
cpe:2.3:a:redhat:openshift:-