עברית

Vulnerability Intelligence

CVE-2026-18490

High 8.8

Published
Last modified
NVD status
Analyzed

Description

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.

Affected products

ibm: financial transaction manager; redhat: openshift

References1

Metrics

CVSS 3.1
8.8 HIGH Score source: CNA CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS — exploit probability
1% percentile: 57 · as of 9 November 2026
CWE
CWE-502

Could this be exploited in your environment?

A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.