# CVE-2026-91004: SourceCodester Online Faculty Clearance System SQL injection in delete_faculty1.php

Source: https://junglewise.ai/threats/cve-2026-91004-sourcecodester-online-faculty-clearance-system-sql-injection-in  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-15. Updated: 2026-09-26  
License: CC BY 4.0 with a link back

CVE-2026-91004 · Severity: high · CVSS 7.3 · Published 2026-09-15

SourceCodester Online Faculty Clearance System is a PHP-based web application used to manage academic clearance workflows for faculty members. A SQL injection vulnerability in the delete_faculty1.php file allows remote attackers to manipulate database queries without authentication, potentially exposing sensitive faculty data, modifying records, or disrupting system operations.

Technologies: [SourceCodester Online Faculty Clearance System](https://junglewise.ai/threats/technologies/online-faculty-clearance-system). Vendors: [SourceCodester](https://junglewise.ai/threats/vendors/sourcecodester).

## Quick answers

**Is CVE-2026-91004 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-91004 being exploited in the wild.

**How severe is CVE-2026-91004?** High severity, with a CVSS score of 7.3, published 15 September 2026.

**Which products and versions are affected?** SourceCodester Online Faculty Clearance System 1.0.

**Is there a fix for CVE-2026-91004?** 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-2026-91004 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-91004?** Check whether you run SourceCodester Online Faculty Clearance 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

A SQL injection vulnerability exists in the 'id' parameter of the OnlineClearance/delete_faculty1.php endpoint. The vulnerable code fails to sanitize or validate user input before incorporating it directly into SQL queries. The flaw is remotely exploitable via GET request parameters with no authentication required. Attackers can use error-based, stacked query, or time-based blind injection techniques to extract database contents, modify or delete data, and potentially achieve unauthorized system access. No patch information is currently available; remediation requires implementing prepared statements with parameter binding and strict input validation.

## Affected products

- SourceCodester Online Faculty Clearance System 1.0

## Timeline

- 2026-08-16: disclosed: Vulnerability disclosed on GitHub
- 2026-09-15: advisory

## References

- [https://github.com/zzjzzzj389/cve/issues/2](https://github.com/zzjzzzj389/cve/issues/2)
- [https://vuldb.com/cve/CVE-2026-91004](https://vuldb.com/cve/CVE-2026-91004)

## Related threats

- [SourceCodester Online Faculty Clearance System arbitrary file upload](https://junglewise.ai/threats/cve-2026-91005-sourcecodester-online-faculty-clearance-system-arbitrary-file)
- [SourceCodester Online Faculty Clearance System SQL injection in update_requirement_status.php](https://junglewise.ai/threats/cve-2026-90877-sourcecodester-online-faculty-clearance-system-sql-injection-in)
- [SourceCodester Online Faculty Clearance System SQL injection in delete_requirement.php](https://junglewise.ai/threats/cve-2026-90876-sourcecodester-online-faculty-clearance-system-sql-injection-in)