Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ni | Instrumentstudio | <= 2025 |
| Ni | Ni Grpc Device Server | < 2.18.0 |
Related Weaknesses (CWE)
References
- https://github.com/ni/grpc-device/security/advisories/GHSA-prfr-q8h3-mqxvVendor Advisory
- https://www.ni.com/en/support/security/available-critical-and-security-updates-fVendor Advisory
FAQ
What is CVE-2026-48140?
CVE-2026-48140 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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 ...
How severe is CVE-2026-48140?
CVE-2026-48140 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-48140?
Check the references section above for vendor advisories and patch information. Affected products include: Ni Instrumentstudio, Ni Ni Grpc Device Server.