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IBM Financial Transaction Manager CVE-2026-18162

| EUVDEUVD-2026-84941 CRITICAL
Code Injection (CWE-94)
2026-09-22 ibm GHSA-m36x-3cg4-5hjc
9.8
CVSS 3.1 · Vendor: ibm
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Severity by source

Vendor (ibm) PRIMARY
9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
vuln.today AI
9.8 CRITICAL

Description states remote unauthenticated code injection via new Function with no interaction, yielding full C/I/A impact within the application's own scope (S:U).

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Primary rating from Vendor (ibm).

CVSS VectorVendor: ibm

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

3
Metadata Corrected
Sep 22, 2026 - 23:40 vuln.today
tag: Openshift added
Analysis Generated
Sep 22, 2026 - 23:07 vuln.today
CVE Published
Sep 22, 2026 - 22:10 cve.org
CRITICAL 9.8

DescriptionCVE.org

IBM Financial Transaction Manager (FTM) for RedHat OpenShift could allow a remote attacker to execute arbitrary code due to improper neutralization of user-controlled input within the new Function constructor.

AnalysisAI

Remote code execution in IBM Financial Transaction Manager (FTM) for Red Hat OpenShift lets an unauthenticated network attacker run arbitrary code on affected deployments. The flaw is CWE-94 (improper control of code generation): user-controlled input is passed into a JavaScript new Function() constructor without neutralization, so injected input is compiled and executed as code. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
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Execution
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Impact
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Vulnerability AssessmentAI

Exploitation Requires a reachable FTM for RedHat OpenShift endpoint that passes user-controlled input into a JavaScript `new Function()` constructor without neutralization. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment This is a high-priority finding on its technical merits. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Patch status is Patch available per vendor advisory (no exact fix version was supplied in the input data): IBM's security bulletin at https://www.ibm.com/support/pages/node/7288641 is the authoritative source and should be used to identify the precise fixed FTM for Red Hat OpenShift release for each deployed build, then upgraded during a controlled maintenance window. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours, inventory every OpenShift cluster running IBM Financial Transaction Manager, determine which instances expose the affected input-handling path to untrusted networks, and immediately restrict that path through network policies, ingress rules, or an authenticating reverse proxy; turn on detailed request logging and JavaScript-injection detections on that endpoint so attempted payloads are captured. …

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CVE-2026-18162 vulnerability details – vuln.today

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