CVE-2026-48137

CRITICAL 9.1

Untrusted pointer dereference in NI grpc-device sideband streaming API

CVSS Score

9.1

EPSS Score

0.0%

EPSS Percentile

0th

There is an untrusted pointer dereference vulnerability in the NI grpc-device sideband streaming API that may allow an attacker to cause an arbitrary memory dereference, potentially resulting in remote code execution. Successful exploitation requires an attacker to supply a specially crafted Moniker protobuf message. This affects NI grpc-device 2.17.0 and prior versions.

CWE	CWE-822
Vendor	ni
Product	grpc-device
Published	Jun 19, 2026
Last Updated	Jun 19, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Affected Versions

NI / grpc-device

0 ≤ 2.17.0

NI / InstrumentStudio

0 ≤ 26.3.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

ni.com: https://www.ni.com/en/support/security/available-critical-and-security-updates-for-ni-software/2026/multiple-vulnerabilities-in-ni-grpc-device-server.html github.com: https://github.com/ni/grpc-device/security/advisories/GHSA-ww59-ghm9-mm63

Credits

Sebastián Alba Vives (@Sebasteuo / 0xS4bb1)