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Rapid7CVE-2026-64951

A rogue Velociraptor client can upload a malformed sparse file such

Low3.5CVE-2026-64951 · Published Aug 12, 2026 · updated Aug 28, 2026

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.

Rapid7 advisory

Affected versions

PackageAffectedFixed in
Velociraptor
Product
< 0.77.20.77.2
Details and references
CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L
Severity from
the vendor (its own CVE record or advisory)
Weakness
CWE-369

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