CVE-2026-18450
X12SPI: Supermicro BMC contains Unprotected IPMI Commands Accepted on Active RMCP+ Sessions vulnerability
SMCI X12SPI
CVSS
9.8CriticalExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)No scoreNo FIRST EPSS score in this snapshot yet
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
What fixes it
No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.
Reports 4
1 outlet mention it. Reports are not confirmation; each links to its source.
- @stemshop.bsky.social: 🚨 CVE-2026-18450 — CVSS 9.8 CRITICAL The BMC does not correctly enforce integrity and encryption requirements for IPMI commands. An attacker may... 🔎 https://stemshop.top/cve/CVE-2Bluesky: CVE posts, 27 Oct 2026
- @fc-vulns.bsky.social: CVE-2026-18450 published 2026-10-27 — CVSS 9.8 v3.1. An attacker may be able to craft packets that execute arbitrary commands on an active session. Don’t miss this critical one. htBluesky: CVE posts, 27 Oct 2026
- @thehackerwire.bsky.social: 🔴 CVE-2026-18450 - Critical (9.8) The BMC does not correctly enforce integrity and encryption requirements for IPMI commands. An at... https://www.thehackerwire.com/vulnerability/CBluesky: CVE posts, 27 Oct 2026
- @stackflag.bsky.social: CVE-2026-18450 - x12spi The management controller in Supermicro X12SPI servers does not properly check that IPMI commands are protected with integrity and encryption. An attacker wBluesky: CVE posts, 27 Oct 2026
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.
Text from CVE List
Affected versions 1
- X12SPIaffected: 01.07.20CVE List