CVE-2026-48140
Medium
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.
SeverityMedium
CVSS6.5
Exploit probability—
ProductNi Instrumentstudio
PublishedJun 19, 2026
First seenJun 19, 2026
Weakness typeCWE-704CWE-704
How to fix
Update
- ni ni_grpc_device_server2.18.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| ni instrumentstudio | v ≤ 2025, 2026 | — |
| ni ni_grpc_device_server | v < 2.18.0 | 2.18.0 |
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