CVE-2026-48139

Weakness

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.

Affected products

• ni instrumentstudio
• ni ni_grpc_device_server

References

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