Untrusted Pointer Dereference Vulnerability in NI grpc-device Streaming API
CVE-2026-48137

9.3CRITICAL

Key Information:

Vendor

Ni

Status
Grpc-device
Instrumentstudio
Vendor
CVE Published:
19 June 2026

What is CVE-2026-48137?

An untrusted pointer dereference flaw exists in the NI grpc-device sideband streaming API. This vulnerability can be exploited by an attacker to create a specially crafted Moniker protobuf message, leading to potential arbitrary memory dereference. Such exploitation may allow the execution of unauthorized code remotely. This vulnerability impacts all versions of NI grpc-device up to and including 2.17.0.

Affected Version(s)

grpc-device 0 <= 2.17.0

InstrumentStudio 0 <= 26.3.0

References

https://www.ni.com/en/support/security/available-critical...
vendor-advisory
https://github.com/ni/grpc-device/security/advisories/GHS...
vendor-advisory

CVSS V4

Score:
9.3
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Sebastián Alba Vives (@Sebasteuo / 0xS4bb1)
.