---
id: CVE-2026-18450
title: >-
  Supermicro BMC  contains Unprotected IPMI Commands Accepted on Active RMCP+
  Sessions vulnerability
summary: >-
  The BMC does not correctly enforce integrity and encryption requirements for
  IPMI commands. An attacker may be able to craft packets that execute arbitrary
  commands on an active session.
severity: critical
cvss: 9.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cvssSource: cna
cwe:
  - CWE-306
vendor: SMCI
product: X12SPI
affected:
  - X12SPI 01.07.20
published: '2026-10-27'
updated: '2026-10-27'
sourceUpdated: '2026-10-27T07:46:02.598Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-18450'
references:
  - url: 'https://www.supermicro.com/en/support/security_BMC_IPMI_Oct_2026_1'
tags:
  - cve.org
epss: 0.004
epssPercentile: 0.34114
ingestedAt: '2026-10-27T16:11:59.247Z'
---

## Overview

The BMC does not correctly enforce integrity and encryption requirements for IPMI commands. An attacker may be able to craft packets that execute arbitrary commands on an active session.

## Affected

- `X12SPI 01.07.20`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.