CVE-2026-18638

MEDIUM

Velociraptor server crash via the SetPassword API

Title source: CVE List
STIX 2.1 vulnerability

Record summary

CVE-2026-18638 has a selected CVSS score of 6.5 (medium).

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.

Description source: CVE List

Exploitation context

CISA SSVC decision

ExploitationNone
AutomatableNo
Technical impactPartial

CISA Coordinator · SSVC 2.0.3 · Evaluated Aug 11, 2026 · Source: CVE List

Affected products and versions

1
ProductSourceVersion range

Velociraptor

Browse Rapid7 / Velociraptor

Default status: unaffected

CVE ListBefore 0.77.2affected

References

2