Memory Leak Vulnerability in NI gRPC Device by National Instruments
CVE-2026-48141

6MEDIUM

Key Information:

Vendor

Ni

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

What is CVE-2026-48141?

A memory leakage has been identified in the NI gRPC Device's BeginSidebandStream function, which can lead to a denial of service via memory exhaustion. This vulnerability affects version 2.17.0 and earlier, potentially disrupting the stability and availability of applications reliant on this service. Proactive measures should be taken to update to the latest version to mitigate these risks.

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:
6
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Sebastián Alba Vives (@Sebasteuo / 0xS4bb1)
.