CVE-2026-18449 Supermicro BMC contains a SMCRAKP Fixed Key vulnerability

High 7.5 Published Updated
Exploited in the wild
Not known
Fix
None listed

What is CVE-2026-18449?

CVE-2026-18449 is a high-severity vulnerability in SMCI X12SPI, published on 27 Oct 2026.

Official 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.

Weakness: CWE-798

Which versions are affected by CVE-2026-18449?

How do I fix CVE-2026-18449?

No fix has been published for CVE-2026-18449 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-18449 being exploited?

There is no known exploitation of CVE-2026-18449 in the wild and no public exploit code.

Sources

Also known as GHSA-h8gp-mmvv-4j3c.

Is CVE-2026-18449 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free