CVE-2026-18156 — MEDIUM (6.5)

Q: What is CVE-2026-18156?

CVE-2026-18156 is a vulnerability with a CVSS score of 6.5 (MEDIUM). IBM Financial Transaction Manager (FTM) for RedHat OpenShift could allow a remote authenticated attacker to bypass security controls by forging user identities due to improper authorization.

Q: How severe is CVE-2026-18156?

CVE-2026-18156 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-18156?

Check the references section above for vendor advisories and patch information. Affected products include: Ibm Financial Transaction Manager, Redhat Openshift.

Vulnerability Description

IBM Financial Transaction Manager (FTM) for RedHat OpenShift could allow a remote authenticated attacker to bypass security controls by forging user identities due to improper authorization.

CVSS Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Ibm	Financial Transaction Manager	>= 4.0.7.0, < 4.0.11.0
Redhat	Openshift	-

Related Weaknesses (CWE)

CWE-862

References

https://www.ibm.com/support/pages/node/7288641Vendor Advisory

FAQ

What is CVE-2026-18156?

CVE-2026-18156 is a vulnerability with a CVSS score of 6.5 (MEDIUM). IBM Financial Transaction Manager (FTM) for RedHat OpenShift could allow a remote authenticated attacker to bypass security controls by forging user identities due to improper authorization.

How severe is CVE-2026-18156?

CVE-2026-18156 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-18156?

Check the references section above for vendor advisories and patch information. Affected products include: Ibm Financial Transaction Manager, Redhat Openshift.