Is CVE-2026-48140 in the CISA KEV catalog?

No. CVE-2026-48140 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-48140?

CVE-2026-48140 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2026-48140?

CVE-2026-48140 has an EPSS score of 0.25% (17th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-48140?

Upgrade ni grpc device server to 2.18.0 or later.

CVE & CISA-KEV Catalog

CVE-2026-48140

MEDIUM

6.5

CVSS v3

NVD

Description

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.

CWE-704

How to fix

Remediation Available

ni grpc device serverNVD

Affected:< 2.18.0Fixed in:2.18.0CVE-2026-48140derived from NVD

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

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

0.25%probability of exploitation in 30 days

17thpercentile

Low risk: more likely to be exploited than 17% of all known CVEs.

References

Vendor Advisory2

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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.