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CVE-2026-64951

Velociraptor DoS triggered by Divide by Zero panic

LOW
3.5
CVSS Score
Published: August 12, 2026 at 09:49 AM UTC
Updated: October 24, 2026 at 04:10 PM UTC
1 product affected across 1 vendorVelociraptor

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Severity
LOW3.5
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Velociraptor· Velocidex
90%
0 ≤ v < 0.77.20
Affected range stops below 0.77.2, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

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

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

3.5LOWrapid7
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-369

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