CVE-2026-48139

High

Description

There is a NULL pointer dereference vulnerability in NI grpc-device in the data moniker service that may allow an attacker to cause a denial of service by triggering a crash. Successful exploitation requires an attacker to provide an unknown value to the data moniker service. This affects NI grpc-device 2.17.0 and prior versions.

SeverityHigh

CVSS7.5

Exploit probability—

ProductNi Instrumentstudio

PublishedJun 19, 2026

First seenJun 19, 2026

Weakness typeCWE-476NULL pointer dereference

How to fix

Update

ni ni_grpc_device_server2.18.0 or later

Vendor advisories

ni.com/en/support/security/available-critical-and-security-updates-for-ni-software/2026/multiple-vulnerabilities-in-ni-grpc-device-server.html
github.com/ni/grpc-device/security/advisories/GHSA-7vg9-5c74-289x

Affected products

Product	Affected versions	Fixed in
ni instrumentstudio	v ≤ 2025, 2026	—
ni ni_grpc_device_server	v < 2.18.0	2.18.0

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