CVE-2026-9143 PUBLISHED

Incorrect Conversion between Numeric Types in NI grpc-device due to missing range checks in CodeGen

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

There is an incorrect conversion between numeric types vulnerability in NI grpc-device due to missing range checks in CodeGen. This may silently discard high bits if a size value exceeded the target type's range. This affects NI grpc-device 2.17.0 and prior versions.

CVSS Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
CVSS Score: 3.7

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

CVSS 3.1

CVSS Vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
CVSS Score: 6.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	None	Confidentiality	None
Attack Complexity	High	Integrity	Low	Integrity	None
Attack Requirements	None	Availability	None	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-681 Incorrect conversion between numeric types CWE

Impacts

CAPEC-128 Integer Attacks