Open Redirect in IBM Financial Transaction Manager (Ftm) For Red Hat Openshift
CVE-2026-18505
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.
Vulnerability class: Open Redirect
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- www.ibm.com/support/pages/node/7288641 (vendor-advisory, patch)
Frequently asked questions
- What is CVE-2026-18505?
- CVE-2026-18505 is a medium-severity vulnerability in IBM Financial Transaction Manager (Ftm) For Red Hat Openshift, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 5.4/10. Published 2026-09-23.
- How severe is CVE-2026-18505?
- Medium severity. CVSS v3 base score is 5.4 out of 10.