CVE-2026-18505 [MEDIUM] – IBM Financial Transaction Manager (FTM) for RedHat OpenShift is vulnerable to open redirec

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.