AUGUST 15, 2026
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Case File

CVE-2026-18638

MEDIUM · CVSS 6.5 EPSS 0.29%

Source: NVD + CISA KEV + EPSS · Published 2026-08-11 · Last synced 2026-08-15

CyberRota Analysis

AI-Generated

Authenticated users of Velociraptor, including those with minimal permissions, can exploit a vulnerability that allows them to terminate the server process by sending a request to the SetPassword function with a non-existent username. This could lead to denial-of-service conditions, impacting the availability of the server. Organizations using Velociraptor should prioritize addressing this vulnerability to prevent potential disruptions in service.

CVE
CVE-2026-18638
Severity
MEDIUM
CVSS
6.5
EPSS
0.29%

Original NVD Description

Any authenticated Velociraptor user — including one holding only the readerrole — can terminate the entire server process with a single request, by calling SetPassword with a username that does not exist.