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    CVE-2026-48140

    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.

    Published:Jun 19, 2026
    Last Modified:Jun 22, 2026
    EPS:Jun 19, 2026
    EPSS Score:
    CVSS Score:6.5

    Affected Products

    Vendor
    Ni
    Product
    Grpc-device
    Vendor
    Ni
    Product
    Instrumentstudio

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2026-9142 (CVSS 9.3) — There is an insecure default credentials vulnerability in NI grpc-device when TLS configuration is not present…
    CVE-2026-48141 (CVSS 6) — There is a memory leak in NI grpc-device BeginSidebandStream that may result in denial of service due to memor…
    CVE-2026-48139 (CVSS 8.7) — There is a NULL pointer dereference vulnerability in NI grpc-device in the data moniker service that may allow…
    CVE-2026-48138 (CVSS 8.7) — There is an out-of-bounds read vulnerability in the NI grpc-device streaming API due to a missing bounds check…
    CVE-2026-48137 (CVSS 9.3) — There is an untrusted pointer dereference vulnerability in the NI grpc-device sideband streaming API that may …

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High