CVE-2026-18123 — HIGH (7.6)

Q: What is CVE-2026-18123?

CVE-2026-18123 is a vulnerability with a CVSS score of 7.6 (HIGH). IBM Financial Transaction Manager (FTM) for RedHat OpenShift could allow a remote attacker to cause a denial of service due to the improper use of reflection with externally controlled input.

Q: How severe is CVE-2026-18123?

CVE-2026-18123 has been rated HIGH with a CVSS base score of 7.6/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-18123?

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 attacker to cause a denial of service due to the improper use of reflection with externally controlled input.

CVSS Score

7.6

HIGH

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

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

LOW

Availability

HIGH

Affected Products

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

Related Weaknesses (CWE)

CWE-470

References

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

FAQ

What is CVE-2026-18123?

CVE-2026-18123 is a vulnerability with a CVSS score of 7.6 (HIGH). IBM Financial Transaction Manager (FTM) for RedHat OpenShift could allow a remote attacker to cause a denial of service due to the improper use of reflection with externally controlled input.

How severe is CVE-2026-18123?

CVE-2026-18123 has been rated HIGH with a CVSS base score of 7.6/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-18123?

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