MEDIUM CVSS 5.3
Published: 2026-06-19

CVE-2026-48141

ni instrumentstudio Security Advisory (CVE-2026-48141)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2026-48141 impacting ni instrumentstudio. Evaluated with CVSS Base Score of 5.3 (MEDIUM).

Original NVD Description

Source: NIST NVD
There is a memory leak in NI grpc-device BeginSidebandStream that may result in denial of service due to memory exhaustion.  This affects NI grpc-device 2.17.0 and prior versions.

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Network (AV:N)
Exploitable remotely across internet boundaries
Attack Complexity
High (AC:H)
Depends on race conditions or environment
Privileges Required
Low (PR:L)
Standard user access required
User Interaction
None (UI:N)
Zero human interaction required
Scope
Unchanged (S:U)
Confined to same security context
Confidentiality
None (C:N)
No data confidentiality impact
Integrity
None (I:N)
No system modification impact
Availability
High (A:H)
Total denial of service or shutdown

🎯 Affected Versions Matrix

Affected Product ni / instrumentstudio
Affected Versions *
Weakness Enumeration CWE-401

Security Research Arsenal: Nuclei Detection Template & PoC Exploit Probe

High-Intent Research Tool

Ready-to-use security scanner signatures, active verification probe skeletons, and remediation playbooks for CVE-2026-48141 impacting ni instrumentstudio.

⚡ Nuclei Detection Template (YAML) cve-2026-48141.yaml
id: cve-2026-48141

info:
  name: ni instrumentstudio - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: medium
  description: |
    Automated signature & scanner for CVE-2026-48141 affecting ni instrumentstudio.
    Evaluation: There is a memory leak in NI grpc-device BeginSidebandStream that may result in denial of service due to memory exhaustion.  This affects NI grpc-devi...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2026-48141
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
    cvss-score: 5.3
    cve-id: CVE-2026-48141
    cwe-id: CWE-401
  tags: cve,cve-2026-48141,ni,instrumentstudio,medium

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "instrumentstudio"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2026-48141.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2026-48141
# Target: ni instrumentstudio | CVSS: 5.3 (MEDIUM)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2026-48141 (ni instrumentstudio)...")
    headers = {
        "User-Agent": "CyberVault-Audit-Scanner/2.0",
        "Accept": "*/*"
    }
    try:
        r = requests.get(f"{target_url.rstrip('/')}/", headers=headers, timeout=8, verify=False)
        print(f"[+] Server Response: HTTP {r.status_code} | Server Banner: {r.headers.get('Server', 'Unknown')}")
        if r.status_code < 500:
            print(f"[!] Target reachable. Verify version against ni instrumentstudio scope (*).")
        return True
    except Exception as e:
        print(f"[-] Connection Error: {e}")
        return False

if __name__ == '__main__':
    url = sys.argv[1] if len(sys.argv) > 1 else "http://localhost:8080"
    verify_vulnerability(url)
🛡️ Quick Patch & Remediation Script (Bash) patch_cve-2026-48141.sh
# Recommended Remediation & Patching Commands for CVE-2026-48141
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install instrumentstudio 2>/dev/null || \
sudo dnf upgrade instrumentstudio 2>/dev/null || \
sudo yum update instrumentstudio

# 2. Inspect installed package versions for vulnerable scope:
dpkg -l | grep -i instrumentstudio 2>/dev/null || rpm -qa | grep -i instrumentstudio

# 3. Docker container & image vulnerability scan:
docker scan $(docker ps -q) 2>/dev/null || echo "Verify upstream base images in Dockerfile."

🛡️ Remediation & Security Action

  • Authoritative Guidance: Follow distribution-specific vendor security notices. Advisory status and package patches vary by distribution release.
  • Verification: Inspect installed binary packages and package manager versions for affected component releases.
  • Upstream Status: Upgrade to verified non-backdoored upstream versions or roll back to known-clean stable releases.
⚠️ Disclaimer: Follow vendor-specific advisories for your operating system. CyberVault does not fabricate unsupported remediation scripts.

❓ Frequently Asked Questions (FAQ) & Remediation Guide

How do I fix CVE-2026-48141 in ni instrumentstudio?

Review vendor-specific security notices and update ni instrumentstudio packages to the latest patched release immediately. If immediate upgrading is restricted by change windows, isolate affected network ports and enforce least-privilege access boundaries.

Is there an active exploit or public PoC for CVE-2026-48141?

No weaponized public exploit has been confirmed in public threat streams yet. Continuous surveillance is active across GitHub and security feeds.

What is the CVSS 3.1 severity rating and impact for CVE-2026-48141?

CVE-2026-48141 is classified with a CVSS 3.1 Base Score of 5.3 (MEDIUM). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
5.3
MEDIUM SEVERITY
CVE ID CVE-2026-48141
Weakness CWE-401
Vendor ni
Product instrumentstudio
Published 2026-06-19
Vector CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H