HIGH CVSS 7.5
Published: 2026-04-02

CVE-2026-35467

cmu cveclient Security Advisory (CVE-2026-35467)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2026-35467 impacting cmu cveclient. Evaluated with CVSS Base Score of 7.5 (HIGH).

Original NVD Description

Source: NIST NVD
The stored API keys in temporary browser client is not marked as protected allowing for JavScript console or other errors to allow for extraction of the encryption credentials.

📊 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
None (PR:N)
Unauthenticated execution
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 cmu / cveclient
Affected Versions *
Weakness Enumeration CWE-522

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-2026-35467 impacting cmu cveclient.

⚡ Nuclei Detection Template (YAML) cve-2026-35467.yaml
id: cve-2026-35467

info:
  name: cmu cveclient - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: high
  description: |
    Automated signature & scanner for CVE-2026-35467 affecting cmu cveclient.
    Evaluation: The stored API keys in temporary browser client is not marked as protected allowing for JavScript console or other errors to allow for extraction of t...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2026-35467
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    cvss-score: 7.5
    cve-id: CVE-2026-35467
    cwe-id: CWE-522
  tags: cve,cve-2026-35467,cmu,cveclient,high

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "cveclient"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2026-35467.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2026-35467
# Target: cmu cveclient | CVSS: 7.5 (HIGH)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2026-35467 (cmu cveclient)...")
    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 cmu cveclient 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-2026-35467.sh
# Recommended Remediation & Patching Commands for CVE-2026-35467
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install cveclient 2>/dev/null || \
sudo dnf upgrade cveclient 2>/dev/null || \
sudo yum update cveclient

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

# 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

Authorities
  • No records filed in this category.
Distributions
  • No records filed in this category.

❓ Frequently Asked Questions (FAQ) & Remediation Guide

How do I fix CVE-2026-35467 in cmu cveclient?

Review vendor-specific security notices and update cmu cveclient 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-2026-35467?

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-2026-35467?

CVE-2026-35467 is classified with a CVSS 3.1 Base Score of 7.5 (HIGH). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
7.5
HIGH SEVERITY
CVE ID CVE-2026-35467
Weakness CWE-522
Vendor cmu
Product cveclient
Published 2026-04-02
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N