CVE-2026-18638: medium-severity vulnerability in Rapid7 Velociraptor
Velociraptor server crash via the SetPassword API
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.5epss 0.4%
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.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products
Rapid7 · VelociraptorRelated CVEs — Rapid7 Velociraptor
In the same product, most dangerous first.
CVE-2025-6264MEDIUMVelociraptor priviledge escalation via UpdateConfig artifactEPSS 1.0%CVE-2023-0290MEDIUMRapid7 Velociraptor directory traversal in client ID parameter EPSS 0.8%CVE-2026-19583CRITICALVelociraptor Required Permissions bypass by using client monitoring queriesEPSS 0.6%CVE-2021-3619LOWRapid7 Velociraptor Notebooks Authenticated Persistent XSSEPSS 0.6%CVE-2025-14728MEDIUMRapid7 Velociraptor Directory Traversal VulnerabilityEPSS 0.6%CVE-2023-0242HIGHInsufficient permission check in the VQL copy() functionEPSS 0.6%