Buffer overflow in IBM Financial Transaction Manager

CVE-2026-18095

IBM Financial Transaction Manager (FTM) for RedHat OpenShift could allow a remote authenticated attacker to execute arbitrary code due to a buffer overflow.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (38.4th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 38.4% 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-2026-18095: held from 0.004 to 0.004.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-18095?
CVE-2026-18095 is a high-severity vulnerability in IBM Financial Transaction Manager, classified under Out-of-bounds Write. CVSS score: 8.5/10. Published 2026-09-22.
How severe is CVE-2026-18095?
High severity. CVSS v3 base score is 8.5 out of 10.