CyberSecBulletin
CVE-2026-18172NVD status: Analyzed

Financial Transaction Manager (FTM) for RedHat…: Improper Restriction of XML External Entity Reference

Published Updated By the CyberSecBulletin desk

CVE-2026-18172 is a high-severity improper restriction of XML external entity reference vulnerability in Financial Transaction Manager (FTM) for RedHat OpenShift from IBM, with a CVSS 3.1 base score of 7.4 out of 10. It can be exploited from the same local network by an unauthenticated attacker, without any action from a user. Affected Financial Transaction Manager (FTM) for RedHat OpenShift versions: 4.0.6.0. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.32% chance of exploitation within 30 days, which is low compared with other CVEs.

Next patch cycle

High severity with no evidence of exploitation so far.

What to do

  1. Update Financial Transaction Manager to 4.0.11.0 or a later version.
  2. Read the advisory on ibm.com for workarounds and exact fixed builds.

Affected products and versions

VendorProductAffected versionsFixed in
IBMFinancial Transaction Manager (FTM) for RedHat OpenShift4.0.6.0Not stated
IBMFinancial Transaction Manager4.0.7.0 up to, but not including, 4.0.11.0; 4.0.6.04.0.11.0

Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.

How the severity score breaks down

Attack vector
AdjacentThe attacker must be on the same local network segment.
Attack complexity
LowNo special conditions are needed; the attack works reliably.
Privileges required
NoneNo account or login is needed.
User interaction
NoneNo action by a victim is required.
Scope
ChangedThe attack can reach beyond the vulnerable component into other systems.
Confidentiality
HighAll data handled by the component can be read.
Integrity
NoneNothing can be modified.
Availability
NoneAvailability is not affected.

Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N. Scored by CNA (us.ibm.com).

Official description

IBM Financial Transaction Manager (FTM) for RedHat OpenShift could allow a remote attacker to obtain sensitive information due to improper restriction of XML external entity references.

Source: the CVE record as published by its numbering authority, via NVD and CVE.org.

The underlying weakness: Improper Restriction of XML External Entity Reference

The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.

How developers prevent this class of flaw

  • Many XML parsers and validators can be configured to disable external entity expansion.

More Improper Restriction of XML External Entity Reference vulnerabilities (CWE-611)

Timeline

  1. CVE record published.
  2. CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: partial).
  3. Record last changed materially (score, affected products, status or references).

References

Other vulnerabilities in Financial Transaction Manager (FTM) for RedHat OpenShift

All Financial Transaction Manager (FTM) for RedHat OpenShift vulnerabilities

Recent Improper Restriction of XML External Entity Reference vulnerabilities

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