CVE-2026-18450 — CRITICAL (9.8)

Vulnerability Description

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.

CVSS Score

9.8

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-306

References

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

FAQ

What is CVE-2026-18450?

CVE-2026-18450 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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.

How severe is CVE-2026-18450?

CVE-2026-18450 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-18450?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.