CVE-2026-6948 MEDIUM

CVE-2026-6948: Unbounded Memory Allocation in VQLResponse Result-Set Writer

Vendor Rapid7
Product Velociraptor
Weakness CWE-770 · Uncontrolled resource consumption
Published May 3, 2026
Last update May 4, 2026

CVSS base score

4.9/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

Velociraptor versions prior to 0.76.4 contain a resource exhaustion vulnerability in the server's agent control channel. This allows a compromised or rogue Velociraptor client to crash the server via out-of-memory (OOM) by sending crafted messages through the normal client communication channel.

Key dates

02Disclosure timeline

May 3, 2026 CVE published
May 4, 2026 Record updated