CVE-2026-105704 in Drug Recommendation System
Summary
by MITRE • 10/06/2026
A vulnerability was identified in SourceCodester Drug Recommendation System 1.0. This affects an unknown function of the component Auth Guard. Such manipulation of the argument user_id leads to improper authentication. The attack can be executed remotely. The exploit is publicly available and might be used.
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Analysis
by VulDB Data Team • 10/06/2026
The vulnerability identified within the SourceCodester Drug Recommendation System version 1.0 represents a critical failure in access control mechanisms, specifically residing within the Auth Guard component. This flaw allows an attacker to manipulate the user_id argument passed during authentication processes, leading directly to improper authentication outcomes. The core technical issue stems from insufficient validation and sanitization of input parameters related to user identity verification. By altering this specific argument, a malicious actor can bypass standard security checks that are designed to ensure only authorized users access protected resources or perform privileged actions within the application. This type of flaw is characteristic of broken object level authorization issues where the system fails to verify if the authenticated user has permission to access the requested resource based on their identity attributes.
From an operational perspective, this vulnerability enables remote exploitation without requiring prior authentication in many scenarios, although it may also allow privilege escalation for low-privileged users depending on the specific implementation details of the Auth Guard logic. The ability to manipulate the user_id argument means that attackers can impersonate other users or gain administrative access if such roles are tied directly to manipulated identifiers. This compromises the confidentiality and integrity of patient data or drug recommendation records stored within the system, which is particularly sensitive given the healthcare-related nature of the application. Since the exploit code for this vulnerability is publicly available in public repositories, automated scanning tools and opportunistic attackers can easily leverage it to compromise systems running unpatched versions of the software.
This incident aligns with Common Weakness Enumeration (CWE) category CWE-287, which describes Improper Authentication, as well as potentially CWE-639 for Authorization Bypass Through User-Controlled Key if the user_id is used directly as a primary key or identifier in authorization decisions without secondary checks. In terms of the MITRE ATT&CK framework, this vulnerability facilitates techniques associated with Initial Access and Privilege Escalation, specifically under tactics that involve exploiting authentication flaws to gain unauthorized entry into the system environment. The public availability of exploits significantly lowers the barrier for entry, increasing the likelihood of successful attacks against organizations deploying this specific version of the drug recommendation software without immediate remediation.
Mitigation strategies must focus on implementing robust input validation and enforcing strict access control policies within the Auth Guard component. Developers should ensure that user identity is verified through secure session management practices rather than relying solely on client-supplied identifiers like user_id for critical authorization decisions. Implementing server-side checks that validate permissions against a trusted database or directory service independent of manipulated inputs is essential. Additionally, applying principle of least privilege ensures that even if authentication is bypassed, the potential impact is limited by restricting what actions can be performed with compromised credentials. Regular security audits and code reviews focusing on authentication flows are recommended to prevent similar flaws in future iterations of the application.