{"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","affected":["financial_transaction_manager >= 4.0.7.0, < 4.0.11.0","financial_transaction_manager = 4.0.6.0"],"patched":["financial_transaction_manager 4.0.11.0"],"published":"2026-09-23","updated":"2026-10-07","sourceUpdated":"2026-10-07T13:03:16.430","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"],"epss":0.00247,"epssPercentile":0.15953,"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## Affected\n\n- `financial_transaction_manager >= 4.0.7.0, < 4.0.11.0`\n- `financial_transaction_manager = 4.0.6.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `financial_transaction_manager 4.0.11.0`","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":29.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}