HOMEVULNERABILITIESCVE-2026-48138
HIGH

CVE-2026-48138

CWE-125Published: June 19, 2026· Updated: Jun 25, 2026

7.5
CVSS v3.1

Official Description

There is an out-of-bounds read vulnerability in the NI grpc-device streaming API due to a missing bounds check that may result in a denial of service. Successful exploitation requires an attacker to supply a specially crafted write request. This affects NI grpc-device 2.17.0 and prior versions.

NVD Source

Technical Analysis

CVE-2026-48138 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

ni2 products
instrumentstudioni grpc device server
Source: NVD CPE · 3 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
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Official Patches & Advisories

ADVISORYhttps://github.com/ni/grpc-device/security/advisories/GHSA-8rjh-429j-f6gw
ADVISORYhttps://www.ni.com/en/support/security/available-critical-and-security-updates-for-ni-software/2026/multiple-vulnerabilities-in-ni-grpc-device-server.html

All References (2)

→
https://github.com/ni/grpc-device/security/advisories/GHSA-8rjh-429j-f6gwVendor Advisory
→
https://www.ni.com/en/support/security/available-critical-and-security-updates-for-ni-software/2026/multiple-vulnerabilities-in-ni-grpc-device-server.htmlVendor Advisory

Quick Facts

CVE IDCVE-2026-48138
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-125
CISA KEVNo
Affected1 vendor
PublishedJun 19, 2026

Related CVEs (CWE-125)

CVE-2026-34987
9.9
CVE-2026-33642
9.8
CVE-2026-24213
9.8
CVE-2025-15646
9.8
CVE-2026-42799
9.8
CVE-2026-9875
9.6

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2026-48138 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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