CVE-2026-2689: Event Management System SQLi Vulnerability

CVE-2026-2689 Overview

A SQL injection vulnerability has been identified in itsourcecode Event Management System version 1.0. The vulnerability exists in an unknown function within the file /admin/manage_booking.php. Improper handling of the ID parameter allows attackers to manipulate SQL queries, potentially leading to unauthorized data access, modification, or deletion. The attack can be performed remotely without authentication, and a public exploit is reportedly available.

Critical Impact
Remote attackers can exploit this SQL injection vulnerability to extract sensitive data, modify database records, or potentially gain unauthorized access to the underlying system through the exposed administrative booking management interface.

Affected Products

itsourcecode Event Management System 1.0

Discovery Timeline

2026-02-19 - CVE-2026-2689 published to NVD
2026-02-19 - Last updated in NVD database

Technical Details for CVE-2026-2689

Vulnerability Analysis

This vulnerability is classified as SQL Injection (CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component). The flaw resides in the /admin/manage_booking.php file, which fails to properly sanitize user-supplied input through the ID parameter before incorporating it into SQL queries.

The network-accessible attack vector with low complexity makes this vulnerability particularly concerning for internet-facing deployments. No authentication or user interaction is required for exploitation, meaning any remote attacker with network access to the administrative interface can attempt to exploit this vulnerability.

Root Cause

The root cause is insufficient input validation and lack of parameterized queries in the booking management functionality. The ID parameter is directly concatenated into SQL statements without proper sanitization or escaping, allowing attackers to inject malicious SQL syntax that alters query logic.

Attack Vector

The vulnerability can be exploited remotely over the network. An attacker can craft malicious HTTP requests to the /admin/manage_booking.php endpoint, injecting SQL commands through the ID parameter. Successful exploitation could allow attackers to:

Extract sensitive information from the database (usernames, passwords, booking details)
Modify or delete existing database records
Bypass authentication mechanisms
Potentially execute operating system commands depending on database configuration

The attack requires no special privileges or user interaction, making it straightforward to exploit once the vulnerable endpoint is discovered. Technical details and discussion of this vulnerability are available in the GitHub CVE Issue Discussion.

Detection Methods for CVE-2026-2689

Indicators of Compromise

Unusual SQL syntax or special characters in web server access logs for /admin/manage_booking.php
Error messages in application logs indicating SQL syntax errors or database exceptions
Unexpected database queries containing UNION SELECT, OR 1=1, or other SQL injection payloads
Anomalous data access patterns or bulk data extraction from booking-related tables

Detection Strategies

Implement Web Application Firewall (WAF) rules to detect SQL injection patterns in the ID parameter
Monitor HTTP request logs for suspicious payloads targeting /admin/manage_booking.php
Deploy database activity monitoring to identify unusual query patterns or unauthorized data access
Review application error logs for SQL-related exceptions that may indicate exploitation attempts

Monitoring Recommendations

Enable verbose logging on the web server to capture full request parameters
Configure database audit logging to track queries executed against booking-related tables
Set up alerting for repeated failed SQL queries or database connection errors
Implement real-time monitoring for outbound data transfers that could indicate data exfiltration

How to Mitigate CVE-2026-2689

Immediate Actions Required

Restrict access to the /admin/manage_booking.php endpoint using IP allowlisting or VPN requirements
Implement Web Application Firewall rules to block SQL injection attempts
Review and audit all administrative access to the Event Management System
Consider temporarily disabling the vulnerable booking management functionality until a patch is available

Patch Information

No official patch information is currently available from the vendor. Organizations using itsourcecode Event Management System 1.0 should monitor the IT Source Code website for security updates. Additional vulnerability details can be found in the VulDB #346489 advisory.

Workarounds

Implement prepared statements or parameterized queries if modifying the source code is feasible
Deploy a reverse proxy with SQL injection filtering capabilities in front of the application
Restrict database user privileges to minimum required operations (principle of least privilege)
Segment the network to limit access to the administrative interface from trusted networks only
Consider implementing additional input validation at the application layer to sanitize the ID parameter

bash

# Example: Apache mod_security rule to block SQL injection attempts
SecRule ARGS:ID "@detectSQLi" "id:1001,phase:2,deny,status:403,msg:'SQL Injection Attempt Detected'"