CVE-2026-63774 in PowerSYSTEM Center
Summary
by MITRE • 11/06/2026
Insufficient input validation in the PowerSYSTEM Center report designer allows an authenticated user to execute unauthorized SQL commands.
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Analysis
by VulDB Data Team • 11/06/2026
The vulnerability identified as insufficient input validation within the PowerSYSTEM Center report designer represents a critical security flaw that enables authenticated users to bypass intended access controls and interact directly with the underlying database infrastructure. This specific weakness stems from the application's failure to properly sanitize, validate, or parameterize user-supplied data before incorporating it into dynamically constructed SQL queries. In many enterprise reporting tools, the design phase allows for complex query building where end-users can define parameters, filters, and data sources. When these inputs are not rigorously checked against a whitelist of allowed characters or strictly bound to prepared statements, they become vectors for injection attacks. The presence of authentication does not mitigate this risk; rather, it defines the scope of potential abuse, allowing any legitimate user with access to the report designer module to exploit the flaw without needing external network exposure or privilege escalation beyond their existing account level.
From a technical perspective, this vulnerability aligns closely with CWE-89, commonly known as SQL Injection. The core issue lies in the concatenation of untrusted input directly into SQL command strings executed by the backend database management system. An attacker can manipulate these inputs to alter the logic of the original query, potentially appending additional commands that execute arbitrary SQL statements. This could involve retrieving sensitive data from tables outside the intended scope, modifying existing records, or even executing administrative commands if the database user account associated with the application has elevated privileges. The lack of input validation means there is no mechanism to distinguish between legitimate report parameters and malicious payloads designed to exploit parsing ambiguities in the SQL dialect used by the target system.
The operational impact of this vulnerability extends beyond simple data exfiltration, posing significant risks to data integrity and availability within the organization. By executing unauthorized SQL commands, an attacker can dump entire database tables containing proprietary business intelligence, customer personal information, or financial records, leading to severe regulatory compliance violations under frameworks such as GDPR, HIPAA, or PCI-DSS. Furthermore, if the underlying database service runs with high-level privileges, the attacker might leverage tools like xp_cmdshell in Microsoft SQL Server or similar functions in other databases to execute operating system commands on the server hosting the application. This could result in a complete compromise of the host machine, allowing for lateral movement within the internal network and further escalation of privilege. The ability to modify data also threatens business continuity by corrupting critical reports and analytics that drive strategic decision-making processes.
In terms of threat modeling and adversary behavior, this vulnerability maps directly to techniques found in the MITRE ATT&CK framework, specifically T1059 Command and Scripting Interpreter for executing system commands via database extensions, or more broadly under Data Injection (T1190) which involves injecting malicious data into a target environment. The exploitation path typically follows the Initial Access phase if combined with other weaknesses, but primarily falls under Lateral Movement and Collection phases once inside the network perimeter due to the authenticated nature of the attack vector. Attackers often utilize automated tools like sqlmap to identify and exploit such injection points efficiently, making prompt remediation essential to prevent widespread compromise in environments where PowerSYSTEM Center is deployed for critical reporting operations.
Mitigation strategies must focus on implementing robust input validation and secure coding practices immediately. The primary defense involves replacing dynamic SQL construction with parameterized queries or prepared statements, which ensure that user input is treated strictly as data rather than executable code. Additionally, applying the principle of least privilege to the database account used by the application can limit the damage if an injection does occur, preventing access to sensitive system tables and disabling dangerous stored procedures. Input validation should also be enforced at multiple layers, including client-side checks for usability and server-side strict whitelisting for security, ensuring that only expected data formats are accepted. Regular code reviews focusing on database interaction modules and deploying Web Application Firewalls with SQL injection detection rules can provide additional layers of defense while permanent patches are developed and deployed by the vendor.