What is CVE-2026-47621?

CVE-2026-47621 is a medium-severity vulnerability in Nvidia Dynamo, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 6.5/10. Published 2026-08-04.

How severe is CVE-2026-47621?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Nvidia Dynamo

CVE-2026-47621

NVIDIA Dynamo for Linux contains a vulnerability where an attacker could cause a race condition in the LoRA manager singleton initialization. A successful exploit of this vulnerability might lead to denial of service and data tampering.

Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H.

Affected products

Nvidia Dynamo — versions 0 to v1.1.0

Weakness classification (CWE)

CWE-367 — Time-of-check Time-of-use (TOCTOU) Race Condition

References

psirt@nvidia.com
psirt@nvidia.com
psirt@nvidia.com

Frequently asked questions

What is CVE-2026-47621?: CVE-2026-47621 is a medium-severity vulnerability in Nvidia Dynamo, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 6.5/10. Published 2026-08-04.
How severe is CVE-2026-47621?: Medium severity. CVSS v3 base score is 6.5 out of 10.