CVE-2026-18638

MediumCVSS 6.5/10Last modified Oct 23, 2026

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.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-476 CWE-703

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

No affected versions have been published.

Timeline

Published: Aug 11, 2026
Last modified: Oct 23, 2026
NVD status: Awaiting Analysis

Related CVEs from 2026

CVE-2026-186397.3When Velociraptor is configured to use an OIDC IdP for authentication, it uses the email claim as a username. However, some IdP allow users CVE-2026-186407.1The NewNotebook API does not sufficiently sanitize its parameters allowing an authenticated user with NOTEBOOK_EDIT permission to write the CVE-2026-186417.3A vulnerability was determined in Sangfor Operation and Maintenance Security Management System up to 3.0.13. Affected by this vulnerability CVE-2026-186427.8Deserialization of untrusted data vulnerability in TUBITAK BILGEM Software Technologies Research Institute eta-otp-lock allows Object Inject CVE-2026-186445.4A vulnerability was identified in danpros HTMLy up to 3.1.1. Affected by this issue is the function unlink of the file /system/htmly.php of CVE-2026-186455.4A security flaw has been discovered in danpros HTMLy up to 3.1.1. This affects the function add_content of the file /system/admin/admin.php CVE-2026-186465.3A weakness has been identified in danpros HTMLy up to 3.1.1. This vulnerability affects unknown code of the file /system/htmly.php of the co CVE-2026-186477.3A security vulnerability has been detected in jina-ai reader up to 1574bfd380d249c86c82db4dace0d9c8fe17e2b1. This issue affects the function CVE-2026-186485.3A vulnerability was detected in Blix Email Blue Mail Calendar App 2.2.305. Impacted is the function FileDirectory.getDataColumn/FileDirector CVE-2026-186497.5A flaw was found in the GStreamer gst-plugins-good package. The rtph264depay and rtph265depay RTP depayloader elements do not enforce a maxi CVE-2026-18656.5The User Registration & Membership – Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & L CVE-2026-186508.8Missing Authorization vulnerability in HAVELSAN Inc. Liman MYS allows Privilege Escalation. This issue affects Liman MYS: from 2.2.3 before