{"id":"CVE-2026-81858","title":"IBM i 7.3, 7.4, 7.5, and 7.6 could allow a remote authenticated attacker to cause a denial of service and obtain information due to an out-of-bounds read in the File Server.","summary":"IBM i 7.3, 7.4, 7.5, and 7.6 could allow a remote authenticated attacker to cause a denial of service and obtain information due to an out-of-bounds read in the File Server.","severity":"medium","cvss":5.4,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L","cwe":["CWE-125"],"vendor":"ibm","product":"i","affected":["i >= 7.3, <= 7.6"],"published":"2026-10-13","updated":"2026-10-14","sourceUpdated":"2026-10-14T23:48:42.867","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-81858","references":[{"url":"https://www.ibm.com/support/pages/node/7290195","label":"psirt@us.ibm.com"}],"tags":["nvd"],"epss":0.00275,"epssPercentile":0.19815,"ingestedAt":"2026-10-13T01:10:59.044Z","slug":"CVE-2026-81858","body":"## Overview\n\nIBM i 7.3, 7.4, 7.5, and 7.6 could allow a remote authenticated attacker to cause a denial of service and obtain information due to an out-of-bounds read in the File Server.\n\n## Affected\n\n- `i >= 7.3, <= 7.6`\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":0.1,"exploitation":0,"ransomware":0},"changes":[]}