CVE-2026-86209
Received Received - Intake

SQL Injection in Class and Exam Timetabling System 1.0

Publication date: 2026-09-06

Last updated on: 2026-09-06

Assigner: VulDB

Description
A weakness has been identified in SourceCodester Class and Exam Timetabling System 1.0. Affected is an unknown function of the file /delete_user.php. This manipulation of the argument ID causes sql injection. The attack may be initiated remotely. The exploit has been made available to the public and could be used for attacks.

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Meta Information

Published
2026-09-06
Last Modified
2026-09-06
Generated
2026-09-06
AI Q&A
2026-09-06
EPSS Evaluated
N/A
NVD
CVE-2026-86209
EUVD
EUVD-2026-72088

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
sourcecodester class_and_exam_timetabling_system 1.0
sourcecodester class_and_exam_timetabling_system From 1.0 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-89 The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. Without sufficient removal or quoting of SQL syntax in user-controllable inputs, the generated SQL query can cause those inputs to be interpreted as SQL instead of ordinary user data.
CWE-74 The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.

Attack-Flow Graph

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Executive Summary

CVE-2026-86209 is a SQL injection vulnerability in the Class and Exam Timetabling System 1.0. It affects the file /delete_user.php where the ID argument is not properly validated, allowing attackers to inject malicious SQL queries. The exploit can be performed remotely without authentication.

Detection Guidance

To detect SQL injection vulnerabilities like CVE-2026-86209, you can use tools such as SQLmap to test endpoints for injection points. For manual testing, try appending SQL payloads like ' OR 1=1 -- to input fields or URL parameters. Monitor database logs for unusual queries or errors.

Impact Analysis

This vulnerability allows attackers to access sensitive data, modify or delete database records, and potentially take control of the system. It could lead to unauthorized data exposure, data corruption, or complete system compromise.

Compliance Impact

This vulnerability could lead to non-compliance with GDPR and HIPAA by exposing or allowing unauthorized access to sensitive personal data. It may result in legal penalties, loss of trust, and reputational damage due to data breaches.

Mitigation Strategies

Immediately apply input validation to sanitize user inputs. Use prepared statements or parameterized queries for database interactions. Restrict database user permissions to limit damage. Update the application to the latest secure version if available.

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