Vulnerability in IBM Financial Transaction Manager

CVE-2026-18152

IBM Financial Transaction Manager (FTM) for RedHat OpenShift could allow a remote attacker to forge validly-signed messages due to improper verification of cryptographic signatures.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.002 (8.0th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 8th percentile — 8.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-18152: held from 0.001 to 0.002.

EPSS over last 30 days · oldest: 0.001 · newest: 0.002 · change: +0.001

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-18152?
CVE-2026-18152 is a high-severity vulnerability in IBM Financial Transaction Manager, classified under Improper Verification of Cryptographic Signature. CVSS score: 7.4/10. Published 2026-09-22.
How severe is CVE-2026-18152?
High severity. CVSS v3 base score is 7.4 out of 10.