CVE-2026-24218 Hardcoded credentials in DGX Spark

High 8.1 Published 20 May 2026 Updated 21 May 2026

Identical SSH host keys in NVIDIA DGX OS allow host impersonation and man-in-the-middle attacks, leading to code execution and privilege escalation.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-24218?

CVE-2026-24218 is a high-severity vulnerability in NVIDIA DGX Spark, published on 20 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

NVIDIA DGX OS contains a vulnerability in the factory provisioning process, where the cloning of a base image causes identical SSH host keys to be deployed across multiple systems. The sharing of cryptographic identifiers across all similarly provisioned systems enables host impersonation or attacker-in-the-middle attacks. A successful exploit of this vulnerability might lead to code execution, data tampering, escalation of privileges, information disclosure, and denial of service.

Weakness: CWE-321

Which versions are affected by CVE-2026-24218?

It affects 1 product.

Products include Nvidia Dgx Os.

How do I fix CVE-2026-24218?

No fix has been published for CVE-2026-24218 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-24218 being exploited?

There is no known exploitation of CVE-2026-24218 in the wild and no public exploit code.

Sources

Also known as GHSA-849r-hj58-p84g.