CVE-2026-18490

EUVD-2026-85352
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
8.8 HIGH
ADJACENT_NETWORK
LOW
NONE
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 56.88%
Affected Products (NVD)
VendorProductVersion
ibmfinancial_transaction_manager
4.0.7.0 ≤
𝑥
< 4.0.11.0
ibmfinancial_transaction_manager
4.0.6.0
ibmfinancial_transaction_manager
4.0.6.0:interim_fix_1
ibmfinancial_transaction_manager
4.0.6.0:interim_fix_2
ibmfinancial_transaction_manager
4.0.6.0:interim_fix_3
ibmfinancial_transaction_manager
4.0.6.0:interim_fix_4
ibmfinancial_transaction_manager
4.0.6.0:interim_fix_5
ibmfinancial_transaction_manager
4.0.6.0:interim_fix_6
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://www.ibm.com/support/pages/node/7288641