CVE-2026-18505

MediumCVSS 5.4/10Last modified Oct 7, 2026

Description

IBM Financial Transaction Manager (FTM) for RedHat OpenShift is vulnerable to open redirect in the PMP `HostHeaderFilter` (`HostHeaderFilter.java:151`). An unauthenticated attacker can craft a request with a manipulated `Host` header to redirect authenticated operators to attacker-controlled sites, enabling credential phishing.

Metrics

CVSS 3.1 5.4/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

Weakness enumeration

CWE-601

Affected software

Vendor	Product	Versions
IBM	Financial Transaction Manager (FTM) for RedHat OpenShift	>= 4.0.6.0, <= 4.0.10.0

References

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

Timeline

Published: Sep 23, 2026
Last modified: Oct 7, 2026
NVD status: Analyzed

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