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OpenAdvisories
Medium · 4.9 CVE-2026-6948 EUVD-2026-26850GHSA-r3xq-q2q6-7vcc

Unbounded Memory Allocation in VQLResponse Result-Set Writer

Published May 3, 2026 · Updated Jun 19, 2026 · Assigned by rapid7

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.

Affected products

VendorProductAffectedFixed
Rapid7 Velociraptor < 0.76.4, < 0.75.9 0.76.4

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
openSUSE Tumbleweed velociraptor 0.76.7.0.git145.b60ef1146-1.1 openSUSE-SU-2026:12070-1

Advisories 2

References