CVE-2026-18505
MEDIUM
NVD
CVSS Score
5.4
Severity
MEDIUM
Published
Sep 23, 2026
Vendor
unknown
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.