CVE-2026-9143 Incorrect Conversion between Numeric Types in NI grpc-device due to missing range checks in CodeGen
Missing range checks in NI grpc-device CodeGen allow silent data truncation during numeric type conversion, potentially corrupting instrument control data.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-9143?
CVE-2026-9143 is a medium-severity vulnerability in NI InstrumentStudio, published on 19 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-681
Which versions are affected by CVE-2026-9143?
It affects 2 products.
Products include Ni Instrumentstudio, Ni Ni Grpc Device Server.
How do I fix CVE-2026-9143?
No fix has been published for CVE-2026-9143 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-9143 being exploited?
There is no known exploitation of CVE-2026-9143 in the wild and no public exploit code.
Other vulnerabilities in NI InstrumentStudio
- CVE-2026-48137 Untrusted pointer dereference in NI grpc-device sideband streaming API
- CVE-2026-9142 Insecure Default Credentials vulnerability in NI grpc-device when TLS configuration is not present
- CVE-2026-48138 Out-of-bounds read vulnerability in the NI grpc-device streaming API
- CVE-2026-48139 NULL pointer dereference vulnerability in NI grpc-device data moniker service
- CVE-2026-48140 Unchecked enum cast vulnerability in NI grpc-device in BeginSidebandStream
Sources
Also known as GHSA-rhh6-fvjv-8m84.