HIGH CVSS 8.8
Published: 2026-06-16

CVE-2026-12161

devolutions remote_desktop_manager Security Advisory (CVE-2026-12161)
↗ Official NIST NVD Record
Seeking technical exploit breakdowns or verified PoC code for CVE-2026-12161?
🔬 Search Writeups & Exploit Archive →

CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2026-12161 impacting devolutions remote_desktop_manager. Evaluated with CVSS Base Score of 8.8 (HIGH).

Original NVD Description

Source: NIST NVD
Improper input validation in the SSH Elevate Shell feature allows an authenticated user with permission to create or modify a shared SSH entry to execute arbitrary commands on a remote SSH host using stored elevation credentials via a crafted alternate username and user interaction with the Elevate Shell action. This affects  :  - Remote Desktop Manager 2026.2.5.0 through 2026.2.7.0 - Remote Desktop Manager 2026.1.23.0 and earlier

📊 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
High (I:H)
Total modification of target system
Availability
High (A:H)
Total denial of service or shutdown

🎯 Affected Versions Matrix

Affected Product devolutions / remote_desktop_manager
Affected Versions *
Weakness Enumeration CWE-78

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-2026-12161 impacting devolutions remote_desktop_manager.

⚡ Nuclei Detection Template (YAML) cve-2026-12161.yaml
id: cve-2026-12161

info:
  name: devolutions remote_desktop_manager - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: high
  description: |
    Automated signature & scanner for CVE-2026-12161 affecting devolutions remote_desktop_manager.
    Evaluation: Improper input validation in the SSH Elevate Shell feature allows an authenticated user
 with permission to create or modify a shared SSH entry to exe...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2026-12161
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 8.8
    cve-id: CVE-2026-12161
    cwe-id: CWE-78
  tags: cve,cve-2026-12161,devolutions,remote_desktop_manager,high

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "remote_desktop_manager"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2026-12161.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2026-12161
# Target: devolutions remote_desktop_manager | CVSS: 8.8 (HIGH)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2026-12161 (devolutions remote_desktop_manager)...")
    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 devolutions remote_desktop_manager 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-2026-12161.sh
# Recommended Remediation & Patching Commands for CVE-2026-12161
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install remote_desktop_manager 2>/dev/null || \
sudo dnf upgrade remote_desktop_manager 2>/dev/null || \
sudo yum update remote_desktop_manager

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

# 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-2026-12161 in devolutions remote_desktop_manager?

Review vendor-specific security notices and update devolutions remote_desktop_manager 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-2026-12161?

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-2026-12161?

CVE-2026-12161 is classified with a CVSS 3.1 Base Score of 8.8 (HIGH). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
8.8
HIGH SEVERITY
CVE ID CVE-2026-12161
Weakness CWE-78
Vendor devolutions
Product remote_desktop_manager
Published 2026-06-16
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H