CVE-2026-113406 in BA-Workflow
Summary
by MITRE • 10/20/2026
BA-Workflow developed by YS-infoware has a SQL Injection vulnerability. Authenticated remote attackers can inject arbitrary SQL statements to read, modify, and delete database contents.
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Analysis
by VulDB Data Team • 10/20/2026
The BA-Workflow software suite, developed by YS-infoware, contains a critical security flaw classified as an injection vulnerability that allows for unauthorized access to underlying data structures. This specific issue is identified as a SQL Injection (SQLi) weakness, which represents one of the most prevalent and dangerous application layer vulnerabilities in modern web applications. The presence of this flaw indicates that the software fails to properly sanitize user-supplied input before incorporating it into dynamic database queries. In a typical secure implementation, any data received from external sources must be validated against strict type constraints or passed through parameterized query mechanisms that separate code from data. However, in BA-Workflow, certain endpoints appear to concatenate raw user input directly into SQL command strings without adequate escaping or validation checks. This architectural oversight creates an opening for malicious actors who have already established authenticated sessions within the application environment.
The operational impact of this vulnerability is severe due to its remote nature and the requirement for authentication. While many high-severity vulnerabilities require unauthenticated access, this particular flaw necessitates that an attacker first obtain valid credentials or session tokens for a user account with sufficient privileges to interact with the workflow system. Once authenticated, the attacker can craft malicious SQL payloads designed to manipulate the backend database engine. The primary consequence is the compromise of data integrity and confidentiality. Attackers can execute arbitrary SELECT statements to exfiltrate sensitive business process data, including customer information, financial records, or proprietary operational workflows stored within the application's database. Beyond reading data, the vulnerability allows for write operations, enabling attackers to insert new records that could manipulate workflow states or inject malicious logic into future processes. Furthermore, destructive commands can be executed to delete critical tables or rows, leading to permanent loss of business continuity and potential denial of service conditions if core configuration data is removed.
From a technical perspective, this vulnerability aligns with the Common Weakness Enumeration (CWE) standard under CWE-89: Improper Neutralization of Special Elements used in an SQL Command. This classification highlights the failure to neutralize special characters that have meaning within the context of SQL syntax, such as single quotes or semicolons, which are often used by attackers to terminate existing queries and append new malicious commands. The exploitation vector corresponds to MITRE ATT&CK technique T1059: Command and Scripting Interpreter, specifically through database command injection mechanisms like those categorized under T1190: Exploit Public-Facing Application or potentially T1213: Data from Information Repositories if the attacker is primarily focused on exfiltration. The ability to modify data also touches upon CWE-798: Use of Hard-coded Credentials if default accounts are exploited, and CWE-640: Weak Password Recovery Mechanism for Design if weak authentication policies facilitated the initial access.
Mitigation strategies must address both immediate remediation and long-term architectural improvements. Immediate action should involve applying any available patches or updates released by YS-infoware that specifically target this SQL injection flaw in BA-Workflow versions. If patching is not immediately feasible, network-level controls such as Web Application Firewalls (WAF) can be configured with rules to detect and block common SQL injection patterns in HTTP requests targeting the application endpoints. However, reliance on WAFs should only serve as a temporary compensating control rather than a permanent fix. The definitive solution requires code remediation where all database interactions are refactored to use prepared statements or parameterized queries. This ensures that user input is treated strictly as data and never as executable SQL code. Additionally, implementing strict input validation on the server side, enforcing least-privilege principles for application database accounts, and enabling comprehensive logging of database activities will help in detecting any attempted exploitation and preventing future occurrences. Regular security audits and penetration testing focused on injection flaws are recommended to ensure that similar vulnerabilities do not exist elsewhere in the workflow management system.