7.1
HIGH CVSS 4.0
CVE-2026-48140
Unchecked enum cast vulnerability in NI grpc-device in BeginSidebandStream
Description

There is an unchecked enum cast vulnerability in NI grpc-device BeginSidebandStream that may allow an attacker to trigger invalid enum states and undefined behavior, potentially resulting in a denial of service. Successful exploitation requires an attacker to supply a specially crafted message containing an out-of-range value. This affects NI grpc-device 2.17.0 and prior versions.

INFO

Published Date :

June 19, 2026, 2:16 p.m.

Last Modified :

June 25, 2026, 2:41 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-48140 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Ni instrumentstudio
2 Ni grpc-device
3 Ni ni_grpc_device_server
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 134c704f-9b21-4f2e-91b3-4a467353bcc0
CVSS 3.1 MEDIUM bca5b2e8-03a4-4781-b4ca-c6a078c0bfd4
CVSS 3.1 MEDIUM MITRE-CVE
CVSS 3.1 MEDIUM [email protected]
CVSS 4.0 HIGH bca5b2e8-03a4-4781-b4ca-c6a078c0bfd4
CVSS 4.0 HIGH [email protected]
Solution
Update NI grpc-device to a version that addresses the unchecked enum cast vulnerability.
  • Update NI grpc-device to version 2.17.1 or later.
  • Validate input for enum values.
  • Implement checks for out-of-range values.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-48140.

URL Resource
https://github.com/ni/grpc-device/security/advisories/GHSA-prfr-q8h3-mqxv Vendor Advisory
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
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-48140 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-48140 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-48140 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-48140 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Jun. 25, 2026

    Action Type Old Value New Value
    Added CPE Configuration OR *cpe:2.3:a:ni:instrumentstudio:*:*:*:*:*:*:*:* versions up to (including) 2025 *cpe:2.3:a:ni:instrumentstudio:2026:q1:*:*:*:*:*:* *cpe:2.3:a:ni:instrumentstudio:2026:q2:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:a:ni:ni_grpc_device_server:*:*:*:*:*:*:*:* versions up to (excluding) 2.18.0
    Added Reference Type National Instruments: https://github.com/ni/grpc-device/security/advisories/GHSA-prfr-q8h3-mqxv Types: Vendor Advisory
    Added Reference Type National Instruments: https://www.ni.com/en/support/security/available-critical-and-security-updates-for-ni-software/2026/multiple-vulnerabilities-in-ni-grpc-device-server.html Types: Vendor Advisory
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jun. 22, 2026

    Action Type Old Value New Value
    Added SSVC {'id': 'CVE-2026-48140', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-06-22T16:35:45.846676Z'}
  • New CVE Received by [email protected]

    Jun. 19, 2026

    Action Type Old Value New Value
    Added Affected [{'vendor': 'NI', 'product': 'grpc-device', 'versions': [{'status': 'affected', 'version': '0', 'versionType': 'semver', 'lessThanOrEqual': '2.17.0'}], 'defaultStatus': 'unaffected'}, {'vendor': 'NI', 'product': 'InstrumentStudio', 'versions': [{'status': 'affected', 'version': '0', 'versionType': 'semver', 'lessThanOrEqual': '26.3.0'}], 'defaultStatus': 'unaffected'}]
    Added Description There is an unchecked enum cast vulnerability in NI grpc-device BeginSidebandStream that may allow an attacker to trigger invalid enum states and undefined behavior, potentially resulting in a denial of service. Successful exploitation requires an attacker to supply a specially crafted message containing an out-of-range value. This affects NI grpc-device 2.17.0 and prior versions.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    Added CWE CWE-704
    Added Reference https://github.com/ni/grpc-device/security/advisories/GHSA-prfr-q8h3-mqxv
    Added Reference https://www.ni.com/en/support/security/available-critical-and-security-updates-for-ni-software/2026/multiple-vulnerabilities-in-ni-grpc-device-server.html
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.