{"id":"CVE-2026-18869","title":"IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to bypass security restrictions and access internal network services due to improper validation of FTP PORT and EPRT commands.","summary":"IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to bypass security restrictions and access internal network services due to improper validation of FTP PORT and EPRT commands.","severity":"medium","cvss":6.4,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","cwe":["CWE-918"],"vendor":"IBM","product":"i","affected":["i 7.6","i 7.5","i 7.4","i 7.3"],"published":"2026-09-18","updated":"2026-09-18","sourceUpdated":"2026-09-18T20:17:10.703","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-18869","references":[{"url":"https://www.ibm.com/support/pages/node/7287873","label":"psirt@us.ibm.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-18T19:44:35.555825Z"},"ingestedAt":"2026-09-18T19:49:30.585Z","epss":0.00222,"epssPercentile":0.12954,"slug":"CVE-2026-18869","body":"## Overview\n\nIBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to bypass security restrictions and access internal network services due to improper validation of FTP PORT and EPRT commands.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":35,"depthScoreParts":{"impact":35.2,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}