{"id":"CVE-2026-18451","title":"Supermicro BMC's iKVM feature is vulnerable to KVM session hijacking due to a predictable time-seeded launch token","summary":"The HTML5 KVM-over-IP console authenticates with a token returned by the web interface. Weaknesses in token generation may allow an attacker to guess the session token and take control of the KVM session.","severity":"low","cvss":3.1,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N","cvssSource":"cna","cwe":["CWE-337"],"vendor":"SMCI","product":"MBD-X12SPI","affected":["MBD-X12SPI 01.07.20"],"published":"2026-10-27","updated":"2026-10-27","sourceUpdated":"2026-10-27T07:51:10.336Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-18451","references":[{"url":"https://www.supermicro.com/en/support/security_BMC_IPMI_Oct_2026_1"}],"tags":["cve.org"],"epss":0.00151,"epssPercentile":0.04236,"ingestedAt":"2026-10-27T16:11:59.246Z","slug":"CVE-2026-18451","body":"## Overview\n\nThe HTML5 KVM-over-IP console authenticates with a token returned by the web interface. Weaknesses in token generation may allow an attacker to guess the session token and take control of the KVM session.\n\n## Affected\n\n- `MBD-X12SPI 01.07.20`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":17,"depthScoreParts":{"impact":17.1,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}