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CVE-2026-48141

Memory leak in NI grpc-device BeginSidebandStream

HIGH
7.5
CVSS Score
Published: June 19, 2026 at 01:37 PM UTC
Updated: June 27, 2026 at 11:41 AM UTC
2 products affected across 1 vendorInstrumentStudioNi Grpc Device Server

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Severity
HIGH7.5
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

InstrumentStudio· Ni
95%
v ≤ 2025v ≤ 26.3.02026 q12026 q2
Ni Grpc Device Server· Ni
95%
v ≤ 2.17.0
Affected range stops below 2.18.0, so it looks safe — our inference, not a vendor statement

References (2)

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

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-401

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