CVE-2026-64951: RAPID7 Velociraptor

Low severity, CVSS 3.5. EPSS: 0.3% chance of exploitation in the next 30 days.

A rogue Velociraptor client can upload a malformed sparse file such that if the GUI attempts to expand the file, a panic occurs which may crash the server process. The problem is a Divide by Zero bug in the ShouldPadFile() function.

Affected products

• RAPID7 Velociraptor: before 0.77.2 (fixed in 0.77.2)

Published 2026-08-12. Last modified 2026-08-28.