CVE-2026-48140— Unchecked enum cast vulnerability in NI grpc-device in BeginSidebandStream
Possible ATT&CK Techniques 1AI
T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 2
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| NI | grpc-device | ≤ 2.17.0 | affected |
| NI | InstrumentStudio | ≤ 26.3.0 | affected |
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I. Basic Information for CVE-2026-48140
Vulnerability Information
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Vulnerability Title
Unchecked enum cast vulnerability in NI grpc-device in BeginSidebandStream
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
不正确的类型转换
Source: NVD (National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| NI | grpc-device | 0 ~ 2.17.0 | - | |
| NI | InstrumentStudio | 0 ~ 26.3.0 | - |
II. Public POCs for CVE-2026-48140
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-48140 (2)
Same Patch Batch · NI · 2026-06-19 · 7 CVEs total
| CVE-2026-48137 | 9.1 CRITICAL | Untrusted pointer dereference in NI grpc-device sideband streaming API |
| CVE-2026-9142 | 9.1 CRITICAL | Insecure Default Credentials vulnerability in NI grpc-device when TLS configuration is not |
| CVE-2026-48138 | 7.5 HIGH | Out-of-bounds read vulnerability in the NI grpc-device streaming API |
| CVE-2026-48139 | 7.5 HIGH | NULL pointer dereference vulnerability in NI grpc-device data moniker service |
| CVE-2026-48141 | 5.3 MEDIUM | Memory leak in NI grpc-device BeginSidebandStream |
| CVE-2026-9143 | 3.7 LOW | Incorrect Conversion between Numeric Types in NI grpc-device due to missing range checks i |
IV. Related Vulnerabilities
Same product: grpc-device
- CVE-2026-9143
Incorrect Conversion between Numeric Types in NI grpc-device - CVE-2026-9142
Insecure Default Credentials vulnerability in NI grpc-device - CVE-2026-48141
Memory leak in NI grpc-device BeginSidebandStream - CVE-2026-48139
NULL pointer dereference vulnerability in NI grpc-device dat - CVE-2026-48138
Out-of-bounds read vulnerability in the NI grpc-device strea
Same vendor: NI
- CVE-2026-9143
Incorrect Conversion between Numeric Types in NI grpc-device - CVE-2026-9142
Insecure Default Credentials vulnerability in NI grpc-device - CVE-2026-48141
Memory leak in NI grpc-device BeginSidebandStream - CVE-2026-48139
NULL pointer dereference vulnerability in NI grpc-device dat - CVE-2026-48138
Out-of-bounds read vulnerability in the NI grpc-device strea
Same weakness: CWE-704
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V. Comments for CVE-2026-48140
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