CVE-2026-64951

Velociraptor DoS triggered by Divide by Zero panic

Published Aug 12, 2026 CVSS 3.1 · 3.5 Low EPSS < 1% KEV · Not listed
Description
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.

Remediation

Vendor Workaround

Usually the server will restart after the crash. The user should then export the file without the "Expand Sparse Files" option.

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Rapid7
Rapid7 velociraptor
Vendors & Products Rapid7
Rapid7 velociraptor
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Title Velociraptor DoS triggered by Divide by Zero panic
Weaknesses CWE-369
References
Metrics cvssV3_1

{'score': 3.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
rapid7
Published
Updated
Aug 12, 2026, 12:29 PM
Reserved
Jul 21, 2026, 8:32 AM
Status
Awaiting Analysis
Published
Aug 12, 2026, 10:17 AM
Modified
Oct 24, 2026, 4:10 PM