CVE-2026-64951

Summary

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 Software

VendorProductVersion RangeStatus
Rapid7Velociraptor0 < 0.77.2affected

Weaknesses

  • CWE-369: CWE-369 Divide by zero

Workarounds

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

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References