CVE-2026-48140

MEDIUM

NI grpc-device <= 2.17.0 BeginSidebandStream - Denial of Service

Title source: manual

Description

There is an unchecked enum cast vulnerability in NI grpc-device BeginSidebandStream that may allow an attacker to trigger invalid enum states and undefined behavior, potentially resulting in a denial of service. Successful exploitation requires an attacker to supply a specially crafted message containing an out-of-range value. This affects NI grpc-device 2.17.0 and prior versions.

References (2)

Core 2

Core References

https://www.ni.com/en/support/security/available-critical-and-security-updates-for-ni-software/2026/multiple-vulnerabilities-in-ni-grpc-device-server.html

https://github.com/ni/grpc-device/security/advisories/GHSA-prfr-q8h3-mqxv

Scores

CVSS v3 6.5

EPSS 0.0044

EPSS Percentile 36.6%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-704

Status published

Products (5)

NI/grpc-device < 2.17.0

ni/instrumentstudio 2026 q1 (2 CPE variants)

ni/instrumentstudio < 2025

NI/InstrumentStudio < 26.3.0

ni/ni_grpc_device_server < 2.18.0

Published Jun 19, 2026

Tracked Since Jun 19, 2026