CVE-2026-2174
📋 TL;DR
CVE-2026-2174 is an authentication bypass vulnerability in code-projects Contact Management System 1.0 that allows attackers to manipulate CRUD endpoint ID parameters to access unauthorized functionality. This affects all installations of version 1.0, enabling remote attackers to potentially access, modify, or delete contact data without proper credentials.
💻 Affected Systems
- code-projects Contact Management System
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise through privilege escalation leading to data exfiltration, unauthorized data modification, or system takeover.
Likely Case
Unauthorized access to contact management data including viewing, editing, or deleting sensitive contact information.
If Mitigated
Limited impact with proper network segmentation and authentication controls in place.
🎯 Exploit Status
Remote exploitation possible without authentication. Specific exploit details not publicly available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://code-projects.org/
Restart Required: No
Instructions:
No official patch available. Check vendor website for updates.
🔧 Temporary Workarounds
Network Access Control
linuxRestrict access to the Contact Management System to trusted IP addresses only
iptables -A INPUT -p tcp --dport [PORT] -s [TRUSTED_IP] -j ACCEPT
iptables -A INPUT -p tcp --dport [PORT] -j DROP
Web Application Firewall
allImplement WAF rules to block suspicious ID parameter manipulation
🧯 If You Can't Patch
- Isolate the system in a segmented network with strict access controls
- Implement additional authentication layer or API gateway with proper validation
🔍 How to Verify
Check if Vulnerable:
Test CRUD endpoints with manipulated ID parameters to see if authentication is bypassedCheck Version:
Check application version in admin panel or configuration filesVerify Fix Applied:
Verify that manipulated ID parameters no longer bypass authentication📡 Detection & Monitoring
Log Indicators:
- Unusual access patterns to CRUD endpoints
- Failed authentication attempts followed by successful unauthorized access
Network Indicators:
- Unusual traffic to CRUD endpoints from untrusted sources
SIEM Query:
source="web_logs" AND (uri="*/crud/*" OR uri="*/api/*") AND (status=200 OR status=201) AND NOT (user!="anonymous" OR auth_success="true")