MEDIUM CVSS 6.5
Published: 2026-04-28

CVE-2026-24204

nvidia nvflare Security Advisory (CVE-2026-24204)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2026-24204 impacting nvidia nvflare. Evaluated with CVSS Base Score of 6.5 (MEDIUM).

Original NVD Description

Source: NIST NVD
NVIDIA Flare SDK contains a vulnerability where an Attacker may cause an Improper Input Validation by path traversing. A successful exploit of this vulnerability may lead to information disclosure.

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Network (AV:N)
Exploitable remotely across internet boundaries
Attack Complexity
Low (AC:L)
No specialized conditions required
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
High (C:H)
Total information disclosure
Integrity
None (I:N)
No system modification impact
Availability
None (A:N)
No system availability impact

🎯 Affected Versions Matrix

Affected Product nvidia / nvflare
Affected Versions *
Weakness Enumeration CWE-20

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-2026-24204 impacting nvidia nvflare.

⚡ Nuclei Detection Template (YAML) cve-2026-24204.yaml
id: cve-2026-24204

info:
  name: nvidia nvflare - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: medium
  description: |
    Automated signature & scanner for CVE-2026-24204 affecting nvidia nvflare.
    Evaluation: NVIDIA Flare SDK contains a vulnerability where an Attacker may cause an Improper Input Validation by path traversing. A successful exploit of this vu...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2026-24204
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
    cvss-score: 6.5
    cve-id: CVE-2026-24204
    cwe-id: CWE-20
  tags: cve,cve-2026-24204,nvidia,nvflare,medium

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "nvflare"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2026-24204.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2026-24204
# Target: nvidia nvflare | CVSS: 6.5 (MEDIUM)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2026-24204 (nvidia nvflare)...")
    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 nvflare 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-2026-24204.sh
# Recommended Remediation & Patching Commands for CVE-2026-24204
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install nvflare 2>/dev/null || \
sudo dnf upgrade nvflare 2>/dev/null || \
sudo yum update nvflare

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

# 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-2026-24204 in nvidia nvflare?

Review vendor-specific security notices and update nvidia nvflare 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-2026-24204?

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-2026-24204?

CVE-2026-24204 is classified with a CVSS 3.1 Base Score of 6.5 (MEDIUM). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
6.5
MEDIUM SEVERITY
CVE ID CVE-2026-24204
Weakness CWE-20
Vendor nvidia
Product nvflare
Published 2026-04-28
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N