CVE-2026-6948

MEDIUM

Unbounded Memory Allocation in VQLResponse Result-Set Writer

Title source: cna

Description

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.

References (1)

Core 1

Core References

https://docs.velociraptor.app/announcements/advisories/cve-2026-6948/

Scores

CVSS v3 4.9

EPSS 0.0034

EPSS Percentile 26.0%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-770

Status published

Products (2)

Rapid7/Velociraptor < 0.75.9

Rapid7/Velociraptor < 0.76.4

Published May 04, 2026

Tracked Since May 04, 2026