CVE-2026-18152 IBM Financial Transaction Manager - Authentication Bypass

IBM Financial Transaction Manager (FTM) for RedHat OpenShift contains a cryptographic signature verification flaw, letting remote attackers forge validly-signed messages, exploit requires network access.

CVSS base score 7.4 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.18% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Authentication Bypass
Impact
Data Tampering
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
Published
22 September 2026
Updated
15 October 2026
Weakness
CWE-347

Vendor fix

Update to the latest version with proper cryptographic signature verification.

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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