Vulnerability · Published Oct 27, 2026 · Assigned by Supermicro
CVE-2026-18451Supermicro BMC's iKVM feature is vulnerable to KVM session hijacking due to a predictable time-seeded launch token
Low 3.1
In plain English
A low-severity security flaw in MBD-X12SPI from SMCI. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 4% of all known vulnerabilities).
Severity (CVSS 3.1)3.1Low
Exploit odds (30 days)0.2%top 95.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
The HTML5 KVM-over-IP console authenticates with a token returned by the web interface. Weaknesses in token generation may allow an attacker to guess the session token and take control of the KVM session.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| SMCI | MBD-X12SPI | 01.07.20 |
Weakness: CWE-337 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N