Vulnerability DatabaseCVE-2026-64951
Mend.io Vulnerability Database
The largest open source vulnerability database
What is a Vulnerability ID?
New vulnerability? Tell us about it!
CVE-2026-64951
Published:August 12, 2026
Updated:September 01, 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.
Affected Packages
https://github.com/Velocidex/velociraptor.git (GITHUB):
Affected version(s) >=v0.1 <v0.77.2
Fix Suggestion:
Update to version v0.77.2
www.velocidex.com/golang/velociraptor (GO):
Affected version(s) >=v0.0.0-20180811034225-ef34365e43c9 <v0.77.2
Fix Suggestion:
Update to version v0.77.2
Related Resources (4)
https://nvd.nist.gov/vuln/detail/CVE-2026-64951
http://docs.velociraptor.app/announcements/advisories/cve-2026-64951/
https://github.com/Velocidex/velociraptor/
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64951.json
Do you need more information?
Contact Us
CVSS v4
Base Score:
5.1
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
PASSIVE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
3.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
Weakness Type (CWE)
Divide By Zero
CWE-369
EPSS
Base Score:
0.16