HIGH CVSS 7.8
Published: 2026-07-01

CVE-2026-24246

nvidia nemo_megatron_bridge Security Advisory (CVE-2026-24246)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2026-24246 impacting nvidia nemo_megatron_bridge. Evaluated with CVSS Base Score of 7.8 (HIGH).

Original NVD Description

Source: NIST NVD
NVIDIA Megatron Bridge for Linux contains a vulnerability where an attacker could cause improper control of dynamically managed code resources. A successful exploit of this vulnerability might lead to code execution, escalation of privileges, data tampering, and information disclosure.

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Local (AV:L)
Requires local system execution permissions
Attack Complexity
Low (AC:L)
No specialized conditions required
Privileges Required
None (PR:N)
Unauthenticated execution
User Interaction
Required (UI:R)
User must click or open resource
Scope
Unchanged (S:U)
Confined to same security context
Confidentiality
High (C:H)
Total information disclosure
Integrity
High (I:H)
Total modification of target system
Availability
High (A:H)
Total denial of service or shutdown

🎯 Affected Versions Matrix

Affected Product nvidia / nemo_megatron_bridge
Affected Versions *
Weakness Enumeration CWE-470

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-2026-24246 impacting nvidia nemo_megatron_bridge.

⚡ Nuclei Detection Template (YAML) cve-2026-24246.yaml
id: cve-2026-24246

info:
  name: nvidia nemo_megatron_bridge - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: high
  description: |
    Automated signature & scanner for CVE-2026-24246 affecting nvidia nemo_megatron_bridge.
    Evaluation: NVIDIA Megatron Bridge for Linux contains a vulnerability where an attacker could cause improper control of dynamically managed code resources. A succ...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2026-24246
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    cvss-score: 7.8
    cve-id: CVE-2026-24246
    cwe-id: CWE-470
  tags: cve,cve-2026-24246,nvidia,nemo_megatron_bridge,high

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "nemo_megatron_bridge"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2026-24246.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2026-24246
# Target: nvidia nemo_megatron_bridge | CVSS: 7.8 (HIGH)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2026-24246 (nvidia nemo_megatron_bridge)...")
    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 nvidia nemo_megatron_bridge 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-2026-24246.sh
# Recommended Remediation & Patching Commands for CVE-2026-24246
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install nemo_megatron_bridge 2>/dev/null || \
sudo dnf upgrade nemo_megatron_bridge 2>/dev/null || \
sudo yum update nemo_megatron_bridge

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

# 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.

🔗 Verified Technical References

❓ Frequently Asked Questions (FAQ) & Remediation Guide

How do I fix CVE-2026-24246 in nvidia nemo_megatron_bridge?

Review vendor-specific security notices and update nvidia nemo_megatron_bridge 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-2026-24246?

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-2026-24246?

CVE-2026-24246 is classified with a CVSS 3.1 Base Score of 7.8 (HIGH). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
7.8
HIGH SEVERITY
CVE ID CVE-2026-24246
Weakness CWE-470
Vendor nvidia
Product nemo_megatron_bridge
Published 2026-07-01
Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H