CVE-2026-107103 in Multi-tenant ERP System
Summary
by MITRE • 10/07/2026
This vulnerability exists in the ERP system due to insufficient validation and parameterization of user supplied input in an API endpoint. An unauthenticated remote attacker could exploit this vulnerability by supplying specially crafted input to the vulnerable endpoint.
Successful exploitation of this vulnerability could allow the attacker to perform SQL injection attacks on the targeted system.
VulDB is the best source for vulnerability data and more expert information about this specific topic.
Analysis
by VulDB Data Team • 10/07/2026
The identified security flaw resides within a widely deployed Enterprise Resource Planning (ERP) system, specifically manifesting in an Application Programming Interface (API) endpoint that handles user-supplied data. The root cause of this vulnerability is a critical failure in input validation and parameterization mechanisms. In secure software development practices, all external inputs must be treated as untrusted until proven otherwise through rigorous sanitization or strict type checking. Furthermore, database interactions should utilize prepared statements with bound parameters to separate code from data. However, the affected endpoint fails to enforce these controls, allowing raw user input to be directly concatenated into SQL query strings without adequate filtering of special characters such as single quotes, semicolons, or comment sequences. This architectural oversight creates a classic injection vector that undermines the integrity and confidentiality of the underlying database infrastructure.
An unauthenticated remote attacker can exploit this weakness by crafting specific HTTP requests containing maliciously formatted payloads directed at the vulnerable API endpoint. Because no authentication is required to access this entry point, the attack surface is significantly expanded, allowing any internet-connected entity with knowledge of the endpoint's existence to attempt exploitation. The attacker constructs a payload designed to alter the logic of the SQL query executed by the backend database engine. By injecting syntactically correct but semantically malicious SQL code, the adversary can manipulate the application’s behavior beyond its intended design parameters. This capability enables the extraction of sensitive data stored in the ERP system, including financial records, employee personal information, and proprietary business strategies, effectively bypassing all logical access controls implemented at the application layer.
The operational impact of successful exploitation is severe and multifaceted. Beyond the immediate risk of unauthorized data exfiltration, this vulnerability can serve as a foothold for further compromise within the corporate network. Attackers may leverage SQL injection to write files to the server’s file system if database permissions allow it, potentially deploying web shells or other malicious artifacts that provide persistent remote access. Additionally, attackers might modify existing records to alter financial transactions, change user privileges, or delete critical data, leading to significant operational disruption and potential regulatory non-compliance depending on the jurisdiction and industry sector. The lack of authentication for this specific endpoint exacerbates the risk, as it removes a common barrier that would otherwise limit exposure to legitimate users only.
To mitigate this vulnerability, immediate remediation efforts must focus on implementing parameterized queries or prepared statements for all database interactions involving user input within the affected API endpoints. This ensures that data is treated strictly as data and not executable code by the SQL engine. Concurrently, developers should enforce strict input validation using allow-listing techniques to reject any characters or patterns that do not conform to expected formats. Implementing a Web Application Firewall (WAF) with rules tuned for SQL injection signatures can provide an additional layer of defense during remediation periods. Furthermore, it is crucial to review the API’s access control policies; if this endpoint does not require authentication for its core function, consider restricting access via IP whitelisting or requiring valid session tokens. Regular security assessments and static code analysis tools should be integrated into the development lifecycle to detect such flaws before deployment.
This vulnerability aligns with Common Weakness Enumeration identifier CWE-89, which describes Improper Neutralization of Special Elements used in an SQL Command, commonly known as SQL Injection. From a tactical perspective, this exploitation technique corresponds to ATT&CK tactic T1059, specifically sub-technique T1059.004 for command and script interpretation via database commands, or potentially T1190 if it leads to initial access through exploited public-facing applications. Understanding these mappings helps in categorizing the risk within broader threat intelligence frameworks and ensures that mitigation strategies address both the technical flaw and its potential use in advanced persistent threats. Organizations must prioritize patching this issue due to the high likelihood of automated scanning tools targeting unauthenticated API endpoints for such common vulnerabilities.