CVE-2026-64951 — LOW (3.5) — White Hats Nepal

Vulnerability 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.

CVSS Score

3.5

LOW

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

Related Weaknesses (CWE)

CWE-369

References

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

FAQ

What is CVE-2026-64951?

CVE-2026-64951 is a vulnerability with a CVSS score of 3.5 (LOW). 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...

How severe is CVE-2026-64951?

CVE-2026-64951 has been rated LOW with a CVSS base score of 3.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-64951?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.