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TI-2026-35577 Aliases CVE-2026-48140

Unchecked enum cast vulnerability in NI grpc-device in BeginSidebandStream

Priority LOW 32CWE-704Published · Updated

Key facts

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

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-704 and the CVSS impact.

Summary

There is an unchecked enum cast vulnerability in NI grpc-device BeginSidebandStream that may allow an attacker to trigger invalid enum states and undefined behavior, potentially resulting in a denial of service. Successful exploitation requires an attacker to supply a specially crafted message containing an out-of-range value. 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 0.00445 38th 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.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-48140

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-2026-08039 Incorrect Conversion between Numeric Types in NI grpc-device due to missing range checks in CodeGen CVSS 4.0MEDIUM 6.3
  • 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