CVE-2026-9483: SourceCodester Student Grades Management System improper authorization in grades.php

CVE-2026-9483 · Severity: medium · CVSS 6.3 · Published 2026-05-25

The SourceCodester Student Grades Management System, a web application used to track and manage academic performance, contains a security flaw in its grading module. An attacker can manipulate student identification parameters to bypass authorization checks. This could allow unauthorized users to view or modify sensitive student grade information, potentially compromising the integrity of academic records.

Technologies: SourceCodester Student Grades Management System. Vendors: SourceCodester.

Quick answers

Is CVE-2026-9483 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-9483 being exploited in the wild.
How severe is CVE-2026-9483?
Medium severity, with a CVSS score of 6.3, published 25 May 2026.
Which products and versions are affected?
SourceCodester Student Grades Management System 1.0.
Is there a fix for CVE-2026-9483?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-9483 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2026-9483?
Check whether you run SourceCodester Student Grades Management System at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

An improper authorization vulnerability exists in SourceCodester Student Grades Management System 1.0 within the grades.php file. The application fails to properly validate the 'student_id' parameter, allowing an authenticated user to access or modify records belonging to other students. This is classified as an Incorrect Privilege Assignment (CWE-266) or Improper Authorization (CWE-285) issue. An attacker with low-level privileges can initiate this attack remotely over the network. Public exploit documentation exists, increasing the risk of exploitation. No official patch has been confirmed at this time.

Affected products

  • SourceCodester Student Grades Management System 1.0

Timeline

  • 2026-05-25: disclosed: Initial vulnerability report and public exploit disclosure.
  • 2026-05-25: advisory: NVD published CVE-2026-9483.

References

This page as Markdown. Free to reuse under CC BY 4.0 with a link back.