CVE-2026-18163 IBM Financial Transaction Manager (FTM) for RedHat OpenShift - Insecure Deserialization

IBM Financial Transaction Manager (FTM) for RedHat OpenShift contains an insecure deserialization vulnerability caused by improper deserialization of untrusted data, letting remote attackers execute arbitrary code, exploit requires crafted malicious input.

CVSS base score 9.8 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.51% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Insecure Deserialization
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
22 September 2026
Updated
15 October 2026
Weakness
CWE-502

Vendor fix

Update to the latest version.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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