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CVE-2026-18490— IBM Financial Transaction Manager (FTM) is Impacted by Multiple Vulnerabilities

Quick assessment

Affected
IBM Financial Transaction Manager (FTM) for RedHat OpenShift
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

IBM Financial Transaction Manager（FTM）针对 Red Hat OpenShift 的版本存在一个未经身份验证的远程代码执行漏洞。该漏洞源于 PayDir 业务规则管理器 RMI SSL 端点（文件 BrmRMISSLServerSocketFactory.java，第 95 行，EP8）中的 Java 原生反序列化机制存在缺陷。位于相邻网络的攻击者可构造恶意序列化负载发送至该端点，从而在目标系统上实现任意代码执行。此漏洞可能导致所有 PayDir 凭据泄露，并使攻击者能够操纵支付

CVSS 8.8 · High EPSS 0.80% · P57

Affected Version Matrix 1

VendorProduct Version RangeStatus
IBM Financial Transaction Manager (FTM) for RedHat OpenShift 4.0.6.0≤ 4.0.10.0 affected
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I. Basic Information for CVE-2026-18490

Vulnerability Information
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Vulnerability Title
IBM Financial Transaction Manager (FTM) is Impacted by Multiple Vulnerabilities
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
可信数据的反序列化
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
IBM Financial Transaction Manager (FTM) for RedHat OpenShift 4.0.6.0 ~ 4.0.10.0 cpe:2.3:a:ibm:financial_transaction_manager_ftmfor_redhat_openshift:4.0.6.0:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-18490

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III. Intelligence Information for CVE-2026-18490

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Vendor Advisories for CVE-2026-18490 (1)

Same Patch Batch · IBM · 2026-09-23 · 30 CVEs total

CVE-2026-6928 9.8 CRITICAL Multiple Vulnerabilities in IBM Concert Software
CVE-2026-6730 9.8 CRITICAL Multiple Vulnerabilities in IBM Concert Software
CVE-2026-6721 9.8 CRITICAL Multiple Vulnerabilities in IBM Concert Software
CVE-2026-18872 9.3 CRITICAL IBM Financial Transaction Manager (FTM) is Impacted by Multiple Vulnerabilities
CVE-2026-81537 8.8 HIGH DataStage on Cloud Pak for Data has several vulnerabilities
CVE-2026-80379 8.8 HIGH DataStage on Cloud Pak for Data has several vulnerabilities
CVE-2026-80412 8.8 HIGH DataStage on Cloud Pak for Data has several vulnerabilities
CVE-2026-80425 8.8 HIGH DataStage on Cloud Pak for Data has several vulnerabilities
CVE-2026-80423 8.8 HIGH DataStage on Cloud Pak for Data has several vulnerabilities
CVE-2026-19179 8.2 HIGH IBM Financial Transaction Manager (FTM) is Impacted by Multiple Vulnerabilities
CVE-2026-18181 8.1 HIGH IBM Financial Transaction Manager (FTM) is Impacted by Multiple Vulnerabilities
CVE-2026-6935 7.8 HIGH Multiple Vulnerabilities in IBM Concert Software
CVE-2026-6794 7.8 HIGH Multiple Vulnerabilities in IBM Concert Software
CVE-2026-81208 7.7 HIGH DataStage on Cloud Pak for Data has several vulnerabilities
CVE-2026-81536 7.7 HIGH DataStage on Cloud Pak for Data has several vulnerabilities
CVE-2026-18184 7.4 HIGH IBM Financial Transaction Manager (FTM) is Impacted by Multiple Vulnerabilities
CVE-2026-18875 7.3 HIGH IBM Financial Transaction Manager (FTM) is Impacted by Multiple Vulnerabilities
CVE-2026-18185 7.3 HIGH IBM Financial Transaction Manager (FTM) is Impacted by Multiple Vulnerabilities
CVE-2026-18177 7.1 HIGH IBM Financial Transaction Manager (FTM) is Impacted by Multiple Vulnerabilities
CVE-2026-18179 6.5 MEDIUM IBM Financial Transaction Manager (FTM) is Impacted by Multiple Vulnerabilities

Showing top 20 of 30 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Financial Transaction Manager (FTM) for RedHat OpenShift
Same vendor: IBM
Same weakness: CWE-502