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TI-2026-08039 Aliases CVE-2026-9143

Incorrect Conversion between Numeric Types in NI grpc-device due to missing range checks in CodeGen

Priority LOW 28CWE-681Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
None · Low · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

There is an incorrect conversion between numeric types vulnerability in NI grpc-device due to missing range checks in CodeGen.  This may silently discard high bits if a size value exceeded the target type's range. This affects NI grpc-device 2.17.0 and prior versions.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00301 22nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
NIgrpc-deviceup to 2.17.0—No fix listedCNA
NIInstrumentStudioup to 26.3.0—No fix listedCNA
  • grpc-device VendorNI Affected up to 2.17.0 Fixed in — No fix listed CNA
  • InstrumentStudio VendorNI Affected up to 26.3.0 Fixed in — No fix listed CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:a:ni:instrumentstudio:*:*:*:*:*:*:*:*up to 2025VulnerableNI
cpe:2.3:a:ni:instrumentstudio:2026:q1:*:*:*:*:*:*2026 q1VulnerableNI
cpe:2.3:a:ni:instrumentstudio:2026:q2:*:*:*:*:*:*2026 q2VulnerableNI
cpe:2.3:a:ni:ni_grpc_device_server:*:*:*:*:*:*:*:*before 2.18.0VulnerableNI
  • cpe:2.3:a:ni:instrumentstudio:*:*:*:*:*:*:*:* Versions up to 2025 Vulnerable ·NI
  • cpe:2.3:a:ni:instrumentstudio:2026:q1:*:*:*:*:*:* Versions 2026 q1 Vulnerable ·NI
  • cpe:2.3:a:ni:instrumentstudio:2026:q2:*:*:*:*:*:* Versions 2026 q2 Vulnerable ·NI
  • cpe:2.3:a:ni:ni_grpc_device_server:*:*:*:*:*:*:*:* Versions before 2.18.0 Vulnerable ·NI

Remediation

No fixed version listed by the sources yet.

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    NI InstrumentStudio, grpc-device — ni.com/en/support/security/available-critical-and-security-…

    6 records Highest priority Priority MEDIUM 4 MEDIUM, 2 LOW

    Other records, highest priority first

    • TI-2026-35574 Untrusted pointer dereference in NI grpc-device sideband streaming APIPriority MEDIUM 49
    • TI-2026-08038 Insecure Default Credentials vulnerability in NI grpc-device when TLS configuration is not presentPriority MEDIUM 48
    • TI-2026-35576 NULL pointer dereference vulnerability in NI grpc-device data moniker servicePriority MEDIUM 44
    Show all 6 records → Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-9143

References

Advisory 2

  • TI-2026-35574 Untrusted pointer dereference in NI grpc-device sideband streaming API CVSS 4.0CRITICAL 9.3
  • TI-2026-08038 Insecure Default Credentials vulnerability in NI grpc-device when TLS configuration is not present CVSS 4.0CRITICAL 9.3
  • TI-2026-35576 NULL pointer dereference vulnerability in NI grpc-device data moniker service CVSS 4.0HIGH 8.7
  • TI-2026-35575 Out-of-bounds read vulnerability in the NI grpc-device streaming API CVSS 4.0HIGH 8.7
  • TI-2026-35577 Unchecked enum cast vulnerability in NI grpc-device in BeginSidebandStream CVSS 4.0HIGH 7.1
  • TI-2026-35578 Memory leak in NI grpc-device BeginSidebandStream CVSS 4.0MEDIUM 6.0

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences