Vulnerability details

CVE-2026-18490

IBM Financial Transaction Manager for RedHat OpenShift

IBM Financial Transaction Manager (FTM) is Impacted by Multiple Vulnerabilities

CVSS 3.1

8.8High

Official 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.

CVSS scores

Score	Version	Source	Vector
8.8High	3.1	CVEProject cvelistV5 (CNA) (ibm)	`CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`

Affected products

Vendor	Product	Versions	Source
IBM	Financial Transaction Manager (FTM) for RedHat OpenShift	4.0.6.0 ≤ v ≤ 4.0.10.0	CVEProject cvelistV5 (CNA)

References and advisories

https://www.ibm.com/support/pages/node/7288641 vendor-advisorypatch

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Details

Published: 2026-09-23
Last updated: 2026-09-23
State: Published
Assigner (CNA): ibm

Exploit prediction (EPSS)

0.8%

Probability of exploitation in 30 days

56.8%

Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable: No
Exploitation: None
Technical impact: Total

Weaknesses (CWE)

CWE-502
Deserialization of Untrusted Data