CVE-2026-9143

Weakness

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.

Affected products

• ni instrumentstudio
• ni ni_grpc_device_server

References

• https://github.com/ni/grpc-device/security/advisories/GHSA-rhh6-fvjv-8m84
• https://www.ni.com/en/support/security/available-critical-and-security-updates-for-ni-software/2026/multiple-vulnerabilities-in-ni-grpc-device-server.html