CVE-2026-18450 PUBLISHED

Supermicro BMC contains Unprotected IPMI Commands Accepted on Active RMCP+ Sessions vulnerability

Assigner: Supermicro
Reserved: 31.07.2026 Published: 27.10.2026 Updated: 27.10.2026

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.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS Score: 9.8

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

Product Status

Vendor	SMCI
Product	X12SPI
Versions	Default: unaffected Version 01.07.20 is affected

Credits

runZero finder

References

https://www.supermicro.com/en/support/security_BMC_IPMI_Oct_2026_1

Problem Types

CWE-306: Missing Authentication for Critical Function CWE

Impacts

CAPEC-115: Authentication Bypass