CVE-2026-18638

Published: Aug 11, 2026Modified: Aug 28, 2026

6.5

Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploitability: 2.8 / Impact: 3.6

Source: cve@rapid7.com (Secondary)

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.

Related CWEs

CWE-476

NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

CWE-703

Improper Check or Handling of Exceptional Conditions

The product does not properly anticipate or handle exceptional conditions that rarely occur during normal operation of the product.

References (1)

http://docs.velociraptor.app/announcements/advisories/cve-2026-18638/

Source: cve@rapid7.com

Timeline

No history available yet.