CVE-2026-48141

MEDIUM 5.3

Memory leak in NI grpc-device BeginSidebandStream

CVSS Score

5.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-401
Vendor	ni
Product	grpc-device
Published	Jun 19, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Affected Versions

NI / grpc-device

0 ≤ 2.17.0

NI / InstrumentStudio

0 ≤ 26.3.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

ni.com: https://www.ni.com/en/support/security/available-critical-and-security-updates-for-ni-software/2026/multiple-vulnerabilities-in-ni-grpc-device-server.html github.com: https://github.com/ni/grpc-device/security/advisories/GHSA-j4qc-5v3f-rf87

Credits

Sebastián Alba Vives (@Sebasteuo / 0xS4bb1)