# CVE-2026-76999: SourceCodester CET Automated Grading System authorization bypass in add_grade

Source: https://junglewise.ai/threats/cve-2026-76999-sourcecodester-cet-automated-grading-system-authorization-bypass  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-08-20. Updated: 2026-09-25  
License: CC BY 4.0 with a link back

CVE-2026-76999 · Severity: medium · CVSS 6.3 · Published 2026-08-20

SourceCodester CET Automated Grading System with AI Predictive Analytics is an online education platform used for automated student assessment and grade management. A vulnerability in the grade-addition function allows an attacker to manipulate student ID parameters remotely, potentially granting unauthorized access to modify grades for students they should not have permission to edit, compromising academic integrity and student records.

Technologies: [SourceCodester CET Automated Grading System with AI Predictive Analytics](https://junglewise.ai/threats/technologies/cet-automated-grading-system-with-ai-predictive-analytics). Vendors: [SourceCodester](https://junglewise.ai/threats/vendors/sourcecodester).

## Quick answers

**Is CVE-2026-76999 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-76999 being exploited in the wild.

**How severe is CVE-2026-76999?** Medium severity, with a CVSS score of 6.3, published 20 August 2026.

**Which products and versions are affected?** SourceCodester CET Automated Grading System with AI Predictive Analytics 1.0.

**Is there a fix for CVE-2026-76999?** 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-2026-76999 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-76999?** Check whether you run SourceCodester CET Automated Grading System with AI Predictive Analytics 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

The vulnerability is an improper authorization flaw in the add_grade function within /index.php of SourceCodester CET Automated Grading System version 1.0. An attacker can perform parameter manipulation on the student_id argument to bypass authorization checks, allowing them to perform unauthorized grade modifications. The attack requires network access to the application but does not appear to require prior authentication or complex preconditions. A successful exploit enables an attacker to modify academic records for arbitrary students, directly impacting data integrity. Patching information has not been confirmed as of the advisory date.

## Affected products

- SourceCodester CET Automated Grading System with AI Predictive Analytics 1.0

## Timeline

- 2026-08-20: disclosed

## References

- [https://vuldb.com/cve/CVE-2026-76999](https://vuldb.com/cve/CVE-2026-76999)
- [https://vuldb.com/submit/880522](https://vuldb.com/submit/880522)

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