CVE-2026-48139 NULL pointer dereference vulnerability in NI grpc-device data moniker service
An attacker can cause a denial of service by triggering a crash in the NI grpc-device data moniker service via a null pointer dereference.
- 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-2026-48139?
CVE-2026-48139 is a high-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 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.
Weakness: CWE-476
Which versions are affected by CVE-2026-48139?
It affects 2 products.
Products include Ni Instrumentstudio, Ni Ni Grpc Device Server.
How do I fix CVE-2026-48139?
No fix has been published for CVE-2026-48139 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-48139 being exploited?
There is no known exploitation of CVE-2026-48139 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-2026-48140 Unchecked enum cast vulnerability in NI grpc-device in BeginSidebandStream
- CVE-2026-9143 Incorrect Conversion between Numeric Types in NI grpc-device due to missing range checks in CodeGen
Sources
Also known as GHSA-7vg9-5c74-289x.