CVE-2026-5196 is a SQL injection vulnerability identified in the Student Membership System version 1.0 developed by code-projects. The vulnerability resides in the /delete_member.php script, specifically in the handling of the 'ID' parameter. Improper input validation allows an attacker to inject arbitrary SQL queries remotely without requiring authentication or user interaction. The vulnerability is classified with a CVSS 4.0 base score of 5.3 (medium severity), reflecting its network attack vector, low complexity, no privileges required, and no user interaction needed. The impact vector includes limited confidentiality, integrity, and availability impacts, as the attacker can manipulate database queries potentially leading to unauthorized data access or deletion. Although no public patches are currently available, the vulnerability has been publicly disclosed, increasing the risk of exploitation attempts. The Student Membership System is typically used by educational institutions or organizations managing student memberships, making these entities the primary targets. The lack of authentication requirement and remote exploitability make this vulnerability a significant concern for affected deployments. The absence of known exploits in the wild suggests that active exploitation is not yet widespread, but the public disclosure necessitates immediate attention.

The primary impact of CVE-2026-5196 is unauthorized access and manipulation of the membership database. Attackers exploiting this vulnerability can execute arbitrary SQL commands, potentially leading to data leakage, unauthorized data modification, or deletion of student membership records. This can compromise the confidentiality and integrity of sensitive student information, including personal details and membership status. Additionally, the availability of the system could be affected if attackers delete or corrupt critical data. For organizations relying on this system, such data breaches could result in regulatory non-compliance, reputational damage, and operational disruptions. Since the vulnerability can be exploited remotely without authentication, it increases the attack surface significantly. The medium severity rating reflects a moderate but tangible risk, especially for institutions lacking compensating controls or timely patching. The impact is more critical in environments where the Student Membership System integrates with other sensitive systems or where data privacy regulations are stringent.

1. Immediate mitigation should focus on input validation and sanitization of the 'ID' parameter in /delete_member.php to prevent SQL injection. Use prepared statements or parameterized queries to handle database inputs securely. 2. If patching is not immediately available, implement web application firewall (WAF) rules to detect and block SQL injection attempts targeting the vulnerable endpoint. 3. Restrict access to the /delete_member.php script by IP whitelisting or network segmentation to limit exposure. 4. Conduct a thorough audit of database logs and application activity to detect any suspicious queries or unauthorized access attempts. 5. Educate developers and administrators on secure coding practices to prevent similar vulnerabilities in future releases. 6. Monitor public vulnerability databases and vendor announcements for official patches or updates and apply them promptly once available. 7. Consider deploying runtime application self-protection (RASP) tools to detect and block injection attacks in real-time. 8. Regularly back up membership data to enable recovery in case of data corruption or deletion.