CVE-2026-17635 IBM Financial Transaction Manager - Broken Access Control

IBM Financial Transaction Manager (FTM) for RedHat OpenShift contains a broken access control caused by improper configuration of HTTP method-based security constraints, letting remote attackers perform unauthorized actions, exploit requires no special privileges.

CVSS base score 9.1 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.35% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Broken Access Control
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Published
22 September 2026
Updated
15 October 2026
Weakness
CWE-306

Vendor fix

Update to the latest version with proper HTTP method-based security constraints configuration.

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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