CVE-2026-48141 Memory leak in NI grpc-device BeginSidebandStream
A memory leak in the NI grpc-device library allows attackers to cause denial of service through memory exhaustion.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-48141?
CVE-2026-48141 is a medium-severity denial of service vulnerability in NI InstrumentStudio, published on 19 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
There is a memory leak in NI grpc-device BeginSidebandStream that may result in denial of service due to memory exhaustion. This affects NI grpc-device 2.17.0 and prior versions.
Weakness: CWE-401
Which versions are affected by CVE-2026-48141?
It affects 2 products.
Products include Ni Instrumentstudio, Ni Ni Grpc Device Server.
How do I fix CVE-2026-48141?
No fix has been published for CVE-2026-48141 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-48141 being exploited?
There is no known exploitation of CVE-2026-48141 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-j4qc-5v3f-rf87.