CVE-2026-64951

LOW 3.5

Velociraptor DoS triggered by Divide by Zero panic

CVSS Score

3.5

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-369
Vendor	rapid7
Product	velociraptor
Published	Aug 12, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

Affected Versions

Rapid7 / Velociraptor

0 < 0.77.2

References

NVD ↗ CVE.org ↗ EPSS Data ↗

docs.velociraptor.app: http://docs.velociraptor.app/announcements/advisories/cve-2026-64951/

Credits

Tristan Madani (Talence Security)