CVE-2026-18505

published 2026-09-23

CVE-2026-18505: IBM Financial Transaction Manager (FTM) for RedHat OpenShift is vulnerable to open redirect in the PMP `HostHeaderFilter` (`HostHeaderFilter.java:151`). An…

Priority P4 28 medium 5.4 CVSS 3.1

AV N AC L PR N UI R S U C L I L A N

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.

Affected

9 ranges

Vendor	Product	Version range	Fixed in
ibm	financial_transaction_manager	—	—
ibm	financial_transaction_manager	—	—
ibm	financial_transaction_manager	—	—
ibm	financial_transaction_manager	—	—
ibm	financial_transaction_manager	—	—
ibm	financial_transaction_manager	—	—
ibm	financial_transaction_manager	—	—
ibm	financial_transaction_manager	>= 4.0.7.0 < 4.0.11.0	4.0.11.0
ibm	financial_transaction_manager_for_redhat_openshift	4.0.6.0 – 4.0.10.0	—

Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.

CWE-601