PT-2026-50891 · Ni · Ni Instrumentstudio+1

Sebasteuo · Published 2026-06-19 · Updated 2026-06-19 · CVE-2026-48140

NVD

CVSS v3.1

6.5

Medium

Base vector

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

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.

Fix

Incorrect Type Conversion or Cast

Weakness Enumeration

CWE-704

Related Identifiers

CVE-2026-48140

Affected Products

Ni Instrumentstudio

Grpc-Device

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-48140 · Security Note
• https://github.com/ni/grpc-device/security/advisories/GHSA-prfr-q8h3-mqxv · Note
• https://ni.com/en/support/security/available-critical-and-security-updates-for-ni-software/2026/multiple-vulnerabilities-in-ni-grpc-device-server.html · Note