CVE-2026-14690 in Multi-Vendor Online Grocery Management System
Summary
by MITRE • 07/05/2026
A weakness has been identified in SourceCodester Multi-Vendor Online Grocery Management System 1.0. This affects the function save_users of the file classes/Users.php. This manipulation causes improper authorization. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be used for attacks.
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Analysis
by VulDB Data Team • 07/05/2026
The vulnerability identified in SourceCodester Multi-Vendor Online Grocery Management System 1.0 represents a critical authorization flaw that undermines the system's security model. This weakness specifically resides within the save_users function of the classes/Users.php file, which serves as a core component for user management operations. The improper authorization mechanism allows attackers to manipulate user creation and modification processes without appropriate authentication or access controls. This type of vulnerability falls under CWE-285, which categorizes improper authorization issues that enable unauthorized access to system resources. The flaw's presence in a user management function creates a fundamental security breach since it directly impacts the system's ability to maintain proper user access controls and identity verification processes.
The remote exploitation capability of this vulnerability significantly amplifies its threat level, as attackers can leverage this weakness from external networks without requiring physical access to the system. This remote attack vector aligns with ATT&CK technique T1190, which describes exploiting vulnerabilities in remote services or applications. The public availability of exploits for this particular flaw means that threat actors can readily weaponize the vulnerability without requiring advanced technical skills or extensive reconnaissance efforts. The accessibility of exploitation tools increases the likelihood of widespread compromise across systems running this specific version of the grocery management platform.
The operational impact of this authorization bypass vulnerability extends beyond simple unauthorized access to encompass potential data breaches, account takeovers, and system compromise. Attackers who successfully exploit this flaw could create administrator accounts, modify existing user permissions, or manipulate user data within the system. This capability directly violates fundamental security principles such as least privilege and principle of least authority, which are core requirements in secure system design according to NIST SP 800-53 security controls. The compromised system integrity could lead to unauthorized transactions, customer data exposure, and potential regulatory violations under data protection frameworks like GDPR or CCPA.
Mitigation strategies for this vulnerability should prioritize immediate patching of the affected software version, as the developers have likely released updates addressing this authorization flaw. Network segmentation and firewall rules can help limit access to the affected system components while permanent fixes are implemented. Implementing proper input validation and authentication checks within the save_users function would prevent unauthorized modifications to user accounts. Security monitoring should focus on detecting unusual user creation patterns or privilege escalation attempts that might indicate exploitation of this vulnerability. Organizations should also consider implementing multi-factor authentication mechanisms and regular security assessments to identify similar authorization flaws in other system components, aligning with NIST cybersecurity framework recommendations for continuous monitoring and risk assessment.