CVE-2026-48139: CWE-476 NULL pointer dereference in NI grpc-device
There is a NULL pointer dereference vulnerability in NI grpc-device in the data moniker service that may allow an attacker to cause a denial of service by triggering a crash. Successful exploitation requires an attacker to provide an unknown value to the data moniker service. This affects NI grpc-device 2.17.0 and prior versions.
AI Analysis
Technical Summary
The vulnerability identified as CVE-2026-48139 involves a NULL pointer dereference in the data moniker service of NI grpc-device. This flaw allows an attacker to cause a denial of service by crashing the service when an unexpected value is provided. The issue affects all versions of NI grpc-device before 2.17.1. The CVSS 3.1 base score is 7.5, reflecting network attack vector, low attack complexity, no privileges required, no user interaction, and an impact limited to availability. No official patch or remediation level has been published by the vendor as of the data provided.
Potential Impact
Successful exploitation results in denial of service by crashing the NI grpc-device data moniker service. There is no impact on confidentiality or integrity. The service becomes unavailable, potentially disrupting dependent operations.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or remediation level is provided, users should monitor NI advisories for updates. Until a patch is available, consider limiting exposure of the grpc-device service to untrusted networks or inputs to reduce risk.
CVE-2026-48139: CWE-476 NULL pointer dereference in NI grpc-device
Description
There is a NULL pointer dereference vulnerability in NI grpc-device in the data moniker service that may allow an attacker to cause a denial of service by triggering a crash. Successful exploitation requires an attacker to provide an unknown value to the data moniker service. This affects NI grpc-device 2.17.0 and prior versions.
CVSS v3.1
Score 7.5high
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability identified as CVE-2026-48139 involves a NULL pointer dereference in the data moniker service of NI grpc-device. This flaw allows an attacker to cause a denial of service by crashing the service when an unexpected value is provided. The issue affects all versions of NI grpc-device before 2.17.1. The CVSS 3.1 base score is 7.5, reflecting network attack vector, low attack complexity, no privileges required, no user interaction, and an impact limited to availability. No official patch or remediation level has been published by the vendor as of the data provided.
Potential Impact
Successful exploitation results in denial of service by crashing the NI grpc-device data moniker service. There is no impact on confidentiality or integrity. The service becomes unavailable, potentially disrupting dependent operations.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or remediation level is provided, users should monitor NI advisories for updates. Until a patch is available, consider limiting exposure of the grpc-device service to untrusted networks or inputs to reduce risk.
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: 6a354cc5f198dc38c15875aa
Added to database: 6/19/2026, 2:05:57 PM
Last enriched: 6/19/2026, 2:20:16 PM
Last updated: 6/19/2026, 6:51:39 PM
Views: 7
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