CVE-2026-48139 PUBLISHED

NULL pointer dereference vulnerability in NI grpc-device data moniker service

Assigner: NI
Reserved: 20.05.2026 Published: 19.06.2026 Updated: 19.06.2026

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.

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS Score: 7.5

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	None
Privileges Required	None	Integrity Impact	None
User Interaction	None	Availability Impact	High

CVSS 3.1

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CVSS Score: 8.7

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	None	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	None	Availability	High	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	NI
Product	grpc-device
Versions	Default: unaffected affected from 0 to 2.17.0 (incl.)

Vendor	NI
Product	InstrumentStudio
Versions	Default: unaffected affected from 0 to 26.3.0 (incl.)

Credits

Sebastián Alba Vives (@Sebasteuo / 0xS4bb1) finder

References

Problem Types

CWE-476 NULL pointer dereference CWE

Impacts

CAPEC-129 Pointer Manipulation