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CVE-2026-48137: CWE-822 Untrusted pointer dereference in NI grpc-device

0
Critical
VulnerabilityCVE-2026-48137cvecve-2026-48137cwe-822
Published: Fri Jun 19 2026 (06/19/2026, 13:05:24 UTC)
Source: CVE Database V5
Vendor/Project: NI
Product: grpc-device

Description

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.

CVSS v3.1

Score 9.1critical

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected software

GitHub Actionsmore threats →ai
ni/grpc-device
pkg:github/ni/grpc-device
Affected versions
<=2.17.0

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AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 06/19/2026, 14:20:26 UTC

Technical Analysis

This vulnerability involves an untrusted pointer dereference in the NI grpc-device sideband streaming API, specifically triggered by a maliciously crafted Moniker protobuf message. Successful exploitation can cause arbitrary memory dereference, which may lead to remote code execution. The issue affects all versions up to and including 2.17.0. The CVSS 3.1 base score is 9.1, reflecting network attack vector, low attack complexity, no privileges or user interaction required, and high impact on confidentiality and integrity. No vendor advisory or patch information is currently available, and the product is not a cloud service, so remediation depends on vendor updates.

Potential Impact

Exploitation of this vulnerability can allow an unauthenticated remote attacker to execute arbitrary code on the affected system by causing an arbitrary memory dereference through a crafted Moniker protobuf message. This compromises confidentiality and integrity of the system. Availability impact is not indicated. There are no known exploits in the wild at this time.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should consider restricting network access to the grpc-device service and monitor for suspicious activity related to protobuf message handling. No official remediation or temporary fix has been provided by the vendor as of now.

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Technical Details

Data Version
5.2
Assigner Short Name
NI
Date Reserved
2026-05-20T19:51:56.935Z
Cvss Version
3.1
State
PUBLISHED
Remediation Level
null

Threat ID: 6a354cbff198dc38c158739d

Added to database: 6/19/2026, 2:05:51 PM

Last enriched: 6/19/2026, 2:20:26 PM

Last updated: 6/19/2026, 5:03:18 PM

Views: 5

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