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CVE-2026-48140

Unchecked enum cast vulnerability in NI grpc-device in BeginSidebandStream

Published: Jun 19, 2026Updated: Jun 25, 2026 Sources: CVE List NVDCWE-704
6.5MEDIUM
NVD MITRE
EPSS Score
0.4%
Top 63.4%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Not available

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-704

Affected Products

NI
commercial·USaka national instruments
grpc-deviceOn-premLibrary
DevTools & CI
InstrumentStudioOn-premDev Tool
DevTools & CI / ide-editor
ni grpc device serverOn-prem
DevTools & CI
and 1 more affected products View all →

Exploitability

Official Patch Available

References

https://www.ni.com/en/support/security/available-critical-and-security-updates-for-ni-software/2026/multiple-vulnerabilities-in-ni-grpc-device-server.html
ni.com
https://github.com/ni/grpc-device/security/advisories/GHSA-prfr-q8h3-mqxv
github.com

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