CVE-2026-48140
MEDIUMDescription
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.
How to fix
TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works
Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.
CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Exploit Intelligence
Low risk: more likely to be exploited than 37% of all known CVEs.
References
Related Vulnerabilities
Other CWE-704 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2025-41646 | Critical | 9.8 | 47% | - | Fix |
| CVE-2017-5115 | High | 8.8 | 26% | - | Fix |
| CVE-2018-3843 | High | 8.8 | 24% | - | - |
| CVE-2018-12453 | High | 7.5 | 24% | - | Fix |
| CVE-2017-3106 | High | 8.8 | 22% | - | - |
| CVE-2018-5007 | High | 8.8 | 18% | - | - |
Common questions
How do I fix CVE-2026-48140?
Upgrade ni grpc device server to 2.18.0 or later.
Is CVE-2026-48140 being actively exploited?
Not that we know of. CVE-2026-48140 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.45% is the estimated probability that it will be exploited in the next 30 days. That is higher than 37% of all scored CVEs.
How severe is CVE-2026-48140?
CVE-2026-48140 has a CVSS v3 base score of 6.5, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.
What does CVE-2026-48140 affect?
Published advisories record a fix for ni grpc device server (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-06-25.