CVE-2026-48138

Weakness

There is an out-of-bounds read vulnerability in the NI grpc-device streaming API due to a missing bounds check that may result in a denial of service. Successful exploitation requires an attacker to supply a specially crafted write request. 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-8rjh-429j-f6gw
• https://www.ni.com/en/support/security/available-critical-and-security-updates-for-ni-software/2026/multiple-vulnerabilities-in-ni-grpc-device-server.html