CVE•Published 2026-08-11•Modified 2026-08-28•0 articles on news•4 live references•NVD data

CVE-2026-18638

Vulnerability data via NVD (ingested)

CVSS v3.1

6.5

MEDIUM

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

EPSS percentile

Exploit Prediction Scoring System · top 78% of all CVEs

Weaknesses (CWE)

CWE-476NULL Pointer Dereference CWE-703Improper Check or Handling of Exceptional Conditions

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.

Timeline

Published 2026-08-11

Modified 2026-08-28

External references

NVD MITRE Exploit-DB VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2026-18638

Hosts Shodan has explicitly fingerprinted as vulnerable.

More intel sources (5)

Shodan report

vuln:CVE-2026-18638

Country / ASN / product breakdown for the vuln query.

Censys

vulnerabilities.cve_id: CVE-2026-18638

Censys host search filtered to this CVE id.

grep.app

CVE-2026-18638