Vulnerability · Published Jun 19, 2026 · Assigned by NI
CVE-2026-48137Untrusted pointer dereference in NI grpc-device sideband streaming API
Critical 9.1
In plain English
A critical-severity security flaw in grpc-device from NI. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 57% of all known vulnerabilities).
Official description
There is an untrusted pointer dereference vulnerability in the NI grpc-device sideband streaming API that may allow an attacker to cause an arbitrary memory dereference, potentially resulting in remote code execution. Successful exploitation requires an attacker to supply a specially crafted Moniker protobuf message. This affects NI grpc-device 2.17.0 and prior versions.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| NI | grpc-device | 0 – through 2.17.0 |
| NI | InstrumentStudio | 0 – through 26.3.0 |
Weakness: CWE-822 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N