9.8
CRITICAL CVSS 3.1
CVE-2026-18450
Supermicro BMC contains Unprotected IPMI Commands Accepted on Active RMCP+ Sessions 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.

INFO

Published Date :

Oct. 27, 2026, 8:16 a.m.

Last Modified :

Oct. 27, 2026, 8:16 a.m.

Remotely Exploit :

Yes !

Source :

def9a96e-e099-41a9-bfac-30fd4f82c411
Affected Products

The following products are affected by CVE-2026-18450 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 CRITICAL def9a96e-e099-41a9-bfac-30fd4f82c411
CVSS 3.1 CRITICAL MITRE-CVE
Solution
Enforce IPMI command integrity and encryption requirements to prevent command execution.
  • Update BMC firmware to the latest version.
  • Configure IPMI to enforce integrity and encryption.
  • Review and restrict IPMI access controls.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-18450.

URL Resource
https://www.supermicro.com/en/support/security_BMC_IPMI_Oct_2026_1
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-18450 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-18450 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-18450 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by def9a96e-e099-41a9-bfac-30fd4f82c411

    Oct. 27, 2026

    Action Type Old Value New Value
    Added 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.
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-306
    Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/18xxx/CVE-2026-18450.json">CVE-2026-18450</a>
    Added Reference https://www.supermicro.com/en/support/security_BMC_IPMI_Oct_2026_1
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.