CVE-2026-23780: BMC Control-M/MFT SQL Injection Vulnerability

CVE-2026-23780 Overview

A SQL injection vulnerability has been identified in BMC Control-M/MFT versions 9.0.20 through 9.0.22. The flaw exists in the MFT API's debug interface, where improper input validation and unsafe dynamic SQL handling allow an authenticated attacker to inject malicious queries. Successful exploitation can enable arbitrary file read/write operations and potentially lead to remote code execution.

Critical Impact

Authenticated attackers can leverage this SQL injection vulnerability to read and write arbitrary files on the system, potentially escalating to remote code execution and complete system compromise.

Affected Products

• BMC Control-M/MFT 9.0.20
• BMC Control-M/MFT 9.0.21
• BMC Control-M/MFT 9.0.22

Discovery Timeline

• April 10, 2026 - CVE-2026-23780 published to NVD
• April 14, 2026 - Last updated in NVD database

Technical Details for CVE-2026-23780

Vulnerability Analysis

This vulnerability is classified as CWE-89: Improper Neutralization of Special Elements used in an SQL Command (SQL Injection). The MFT API's debug interface fails to properly sanitize user-supplied input before incorporating it into SQL queries. This allows authenticated users to manipulate the structure of database queries by injecting specially crafted SQL syntax.

The vulnerability is particularly dangerous because the database user context under which the MFT application operates has elevated filesystem access privileges. When an attacker successfully injects SQL commands, they can leverage database-specific functions to perform file operations on the underlying system. In many database configurations, this can be extended to execute operating system commands, resulting in full remote code execution.

Root Cause

The root cause of this vulnerability is the use of dynamic SQL construction without proper parameterization or input sanitization in the debug interface endpoint. User-controlled data is directly concatenated into SQL query strings rather than being passed through prepared statements or parameterized queries. The debug interface, which may have been intended for development or troubleshooting purposes, was left accessible in production deployments with insufficient access controls.

Attack Vector

The attack is conducted over the network and requires the attacker to have valid authentication credentials for the Control-M/MFT system. Once authenticated, the attacker can send specially crafted requests to the debug interface endpoint containing SQL injection payloads. These payloads can include UNION-based injections to extract data, stacked queries to modify database contents, or database-specific commands to interact with the filesystem.

The vulnerability allows chaining of exploitation techniques—starting from SQL injection to achieve file read operations for reconnaissance, then file write capabilities to plant webshells or backdoors, ultimately leading to command execution on the underlying server.

Detection Methods for CVE-2026-23780

Indicators of Compromise

• Unusual or malformed requests to the MFT API debug interface endpoints containing SQL syntax characters such as single quotes, semicolons, or UNION keywords
• Database error messages in application logs indicating SQL syntax errors from user-supplied input
• Unexpected file creation or modification in web-accessible directories or system paths
• Anomalous database queries reading from system tables or attempting to access filesystem functions

Detection Strategies

• Monitor HTTP request logs for the debug interface endpoint with payloads containing SQL injection patterns such as ', --, UNION SELECT, or xp_cmdshell
• Deploy web application firewall (WAF) rules to detect and block common SQL injection attack signatures
• Implement database activity monitoring to alert on queries containing file operation functions or accessing sensitive system tables
• Review authentication logs for unusual access patterns to the debug interface from unexpected user accounts or IP addresses

Monitoring Recommendations

• Enable detailed logging for all requests to the MFT API debug interface and forward logs to a SIEM platform for correlation
• Configure alerts for database queries executing file read/write functions outside of normal application behavior
• Establish baseline network traffic patterns for the Control-M/MFT system and alert on deviations that may indicate exploitation attempts

How to Mitigate CVE-2026-23780

Immediate Actions Required

• Apply the BMC Control-M/MFT PAAFP 9.0.22.025 patch immediately to address this vulnerability
• If patching is not immediately possible, disable or restrict access to the debug interface until the patch can be applied
• Review user accounts with access to the MFT API and remove unnecessary privileges
• Audit recent access logs for the debug interface to identify potential exploitation attempts

Patch Information

BMC has released a security patch to address this vulnerability. The patch is available through the BMC Control-M Patch Portal. Organizations running affected versions 9.0.20 through 9.0.22 should apply patch PAAFP-9-0-22-025 or later. For additional support, consult the BMC Issue Management Resource.

Workarounds

• Disable the debug interface in production environments if it is not required for operations
• Implement network-level access controls to restrict access to the MFT API debug endpoint to trusted administrative IP addresses only
• Deploy a web application firewall with SQL injection detection rules in front of the Control-M/MFT application
• Reduce database user privileges used by the application to the minimum required, removing filesystem access capabilities where possible

# Example: Restricting access to debug interface via firewall rules
# Block external access to debug endpoint while allowing internal admin access
iptables -A INPUT -p tcp --dport 8443 -s 10.0.0.0/8 -j ACCEPT
iptables -A INPUT -p tcp --dport 8443 -j DROP