# CVE-2026-18172 — IBM Financial Transaction Manager (FTM) for RedHat OpenShift

> As of 2026-09-23, CVE-2026-18172 is a HIGH-severity vulnerability in IBM Financial Transaction Manager (FTM) for RedHat OpenShift, CVSS v3.1 7.4, EPSS 0.2% (9.2th percentile). No Threadlinqs-tracked threat campaign has been attributed to CVE-2026-18172 as of 2026-09-23; the identifier is re-checked against the Threadlinqs threat corpus on every daily ingest.

**Last updated:** 2026-09-23

## What is CVE-2026-18172?

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.

The record classifies CVE-2026-18172 under weakness class [CWE-611](https://cwe.mitre.org/data/definitions/611.html). Its CVSS v3 base vector states that the flaw is reachable from an adjacent network, needs no prior authentication, needs no user interaction, and has high impact on confidentiality. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 13 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 7.4 — HIGH (`CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N`)
- **EPSS (FIRST):** 0.2% probability of exploitation in the next 30 days, higher than 9.2% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 4.1/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-09-22, last modified 2026-09-23

## Is CVE-2026-18172 being exploited?

It currently carries a trending score of 32 in the Threadlinqs vulnerability feed.

## Affected products and versions

- [IBM](https://intel.threadlinqs.com/vendors/ibm): Financial Transaction Manager (FTM) for RedHat OpenShift

## How to fix CVE-2026-18172

No vendor patch reference has been recorded for CVE-2026-18172 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2026-18172

No threat campaign in the Threadlinqs corpus currently references CVE-2026-18172, in its CVE list or as an indicator. The linkage is recomputed from the live corpus on every daily ingest, so this section fills in as soon as a tracked campaign cites the identifier.

## Sources

Enriched from CVE.org, FIRST EPSS. Last verified by Threadlinqs on 2026-09-24.

**Vendor advisory and patch**

- [ibm.com — vendor advisory](https://www.ibm.com/support/pages/node/7288641)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-18172
Full detection coverage and IOCs for threats exploiting CVE-2026-18172 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp