CVE-2026-48141

Memory leak in NI grpc-device BeginSidebandStream

State: Published
Severity: 6.0 Medium
Published: Jun 19, 2026
Updated: Jun 22, 2026
Reserved: May 20, 2026

Description

There is a memory leak in NI grpc-device BeginSidebandStream that may result in denial of service due to memory exhaustion. This affects NI grpc-device 2.17.0 and prior versions.

Scores

CVSS	Score	Vector	Source
4.0	6.0 Medium	CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N	NI
3.1	5.3 Medium	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H	NI

Weaknesses

CWE-401 Missing release of memory after effective lifetime

Affected Products

Product	Versions
grpc-deviceNI	2.17.0 and earlierAffected
InstrumentStudioNI	26.3.0 and earlierAffected

References

https://www.ni.com/en/support/security/available-critical-and-security-updates-for-ni-software/2026/multiple-vulnerabilities-in-ni-grpc-device-server.htmlvendor-advisory
https://github.com/ni/grpc-device/security/advisories/GHSA-j4qc-5v3f-rf87vendor-advisory

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