CVE-2026-48141 PUBLISHED

Memory leak in NI grpc-device BeginSidebandStream

Assigner: NI
Reserved: 20.05.2026 Published: 19.06.2026 Updated: 19.06.2026

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.

CVSS Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS Score: 5.3

Attack Vector	Network	Scope	Unchanged
Attack Complexity	High	Confidentiality Impact	None
Privileges Required	Low	Integrity Impact	None
User Interaction	None	Availability Impact	High

CVSS 3.1

CVSS Vector: 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
CVSS Score: 6

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	None	Confidentiality	None
Attack Complexity	High	Integrity	None	Integrity	None
Attack Requirements	None	Availability	High	Availability	None
Privileges Required	Low
User Interaction	None

CVSS 4.0

Product Status

Vendor	NI
Product	grpc-device
Versions	Default: unaffected affected from 0 to 2.17.0 (incl.)

Vendor	NI
Product	InstrumentStudio
Versions	Default: unaffected affected from 0 to 26.3.0 (incl.)

Credits

Sebastián Alba Vives (@Sebasteuo / 0xS4bb1) finder

References

Problem Types

CWE-401 Missing release of memory after effective lifetime CWE

Impacts

CAPEC-131 Resource Leak Exposure