High 7.5Published Jun 19, 2026

CVE-2026-48138Out-of-bounds read vulnerability in the NI grpc-device streaming API

Updated under an hour ago (Oct 26, 2026, 8:50 PM ET)

Does this affect you?

It affects NI grpc-device and 2 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Do this next

Start free and add your stack

Free account, 1 product

Every CVE for NI grpc-device

Exploited in the last 30 days

There is an out-of-bounds read vulnerability in the NI grpc-device streaming API due to a missing bounds check that may result in a denial of service. Successful exploitation requires an attacker to supply a specially crafted write request. This affects NI grpc-device 2.17.0 and prior versions.

CVSS: 7.5 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-125
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: NI
NVD analysis: Analyzed
Record last updated: Jun 22, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

NI grpc-device ni:grpc_device (from the name)	through 2.17.0	CNA record
NI InstrumentStudio ni:instrumentstudio (from the name)	through 26.3.0	CNA record
ni instrumentstudio ni:instrumentstudio	through 2025; 2026; 2026	NVD
ni ni_grpc_device_server ni:ni_grpc_device_server	before 2.18.0	NVD

References

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	vendor-advisory
https://github.com/ni/grpc-device/security/advisories/GHSA-8rjh-429j-f6gw	vendor-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.