CVE-2026-11532: Student Management System Auth Bypass Flaw

CVE-2026-11532 Overview

CVE-2026-11532 is an improper access control vulnerability [CWE-266] in the imvks786 student_management_system project. The flaw affects an unknown function within the /add.php file, part of the Student Record Handler component. An attacker with low privileges can manipulate the affected functionality over the network to bypass access restrictions on student records.

The project uses a rolling release model, so version identifiers for vulnerable and fixed code are not published. The reference commit is 9599b560ad3c3b83e75d328b76bedcd489ef1f46. A public exploit exists, and the maintainer has not responded to the upstream issue report.

Critical Impact
Remote, authenticated attackers can abuse /add.php to perform actions outside their intended permission scope, affecting the confidentiality, integrity, and availability of student records.

Affected Products

imvks786 student_management_system GitHub project (rolling release)
Builds at or before commit 9599b560ad3c3b83e75d328b76bedcd489ef1f46
Deployments exposing the /add.php Student Record Handler endpoint

Discovery Timeline

2026-06-08 - CVE-2026-11532 published to NVD
2026-06-09 - Last updated in NVD database

Technical Details for CVE-2026-11532

Vulnerability Analysis

The vulnerability resides in the /add.php script that handles student record creation in the imvks786 student_management_system application. The affected function does not enforce sufficient authorization checks before executing privileged actions. As a result, a low-privileged authenticated user can invoke functionality reserved for higher-privileged roles.

The weakness is classified as Improper Access Control under [CWE-266] (Incorrect Privilege Assignment). The attack is remote, requires low privileges, and needs no user interaction. A public exploit is referenced through VulDB submission 836634 and VulDB entry 369149, increasing the likelihood of opportunistic abuse against exposed instances.

Root Cause

The root cause is missing or insufficient server-side authorization logic in the Student Record Handler. The /add.php endpoint trusts the request context without verifying that the calling user holds the required role for the requested operation. This allows privilege boundaries between roles to be crossed.

Attack Vector

An attacker authenticates to the application with any valid low-privileged account. They then issue an HTTP request to /add.php with crafted parameters that target the privileged code path. Because authorization checks are absent or incomplete, the server processes the request and modifies student records. The exploit can be automated against any internet-reachable deployment running the affected commit.

No verified proof-of-concept code is published in the references. See the VulDB CVE-2026-11532 entry and the GitHub Issue Tracker for additional technical context.

Detection Methods for CVE-2026-11532

Indicators of Compromise

Unexpected POST or GET requests to /add.php originating from low-privileged session cookies.
Creation or modification of student records by user accounts that should not hold write permissions.
Multiple /add.php requests from a single IP address within a short interval, indicating automated abuse.

Detection Strategies

Audit web server access logs for requests to /add.php and correlate them with the authenticated user role.
Compare database write events for the student records table against the user role of the requesting session.
Deploy web application firewall rules that flag requests to /add.php from sessions lacking administrative role claims.

Monitoring Recommendations

Forward application and web server logs to a centralized logging platform for role-versus-action correlation.
Alert on anomalous spikes in record creation events outside business hours.
Track new GitHub commits to the imvks786/student_management_system repository for upstream fixes.

How to Mitigate CVE-2026-11532

Immediate Actions Required

Restrict network exposure of the student_management_system application to trusted internal networks or VPN-only access.
Disable or remove the /add.php endpoint until authorization checks are implemented.
Review existing user accounts and revoke low-privileged accounts that are not strictly required.

Patch Information

No official patch has been published. The maintainer has been notified through the GitHub Issue Tracker but has not responded. Because the project uses a rolling release model, monitor the GitHub Repository for new commits that introduce role-based authorization on /add.php.

Workarounds

Implement a reverse proxy rule that enforces administrative role checks before forwarding requests to /add.php.
Apply server-side authorization middleware in PHP that validates session role claims on every state-changing request.
Place the application behind a web application firewall and block unauthenticated or low-privileged access to record-handling endpoints.

bash

# Configuration example
# Example nginx rule restricting /add.php to an internal admin network
location = /add.php {
    allow 10.0.0.0/24;
    deny all;
    include fastcgi_params;
    fastcgi_pass unix:/run/php/php-fpm.sock;
}