Vulnerability · Published Jul 22, 2026 · Assigned by Supermicro
CVE-2026-3821Supermicro SMASH service contain an Arbitrary code execution issue
High 8.8
In plain English
A high-severity OS command injection in X14DBG-DAP,X14DBI from SMCI. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 51% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.6%top 49.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Supermicro (SMC) SMASH services contain an Arbitrary code execution issue in X14DBG-DAP and X14DBI. An authorized attacker can exploit SMASH’s input capability to compromise data integrity or launch a Denial-of-Service (DoS) attack against the BMC.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| SMCI | X14DBG-DAP,X14DBI | 01.00.16.001.03.02.06 |
Weakness: CWE-78 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H