{"id":"CVE-2026-18505","title":"IBM Financial Transaction Manager (FTM) for RedHat OpenShift is vulnerable to open redirect in the PMP `HostHeaderFilter` (`HostHeaderFilter.java:151`)","summary":"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 …","severity":"medium","cvss":5.4,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","cwe":["CWE-601"],"vendor":"IBM","product":"Financial Transaction Manager (FTM) for RedHat OpenShift","affected":["financial_transaction_manager_ftm_for_redhat_openshift >= 4.0.6.0 <= 4.0.10.0"],"published":"2026-09-23","updated":"2026-09-23","sourceUpdated":"2026-09-23T18:17:08.477","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-18505","references":[{"url":"https://www.ibm.com/support/pages/node/7288641","label":"psirt@us.ibm.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-23T17:45:51.817996Z"},"ingestedAt":"2026-09-23T16:27:22.651Z","slug":"CVE-2026-18505","body":"## Overview\n\nIBM 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":29.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}