CVE-2026-13566

SourceCodester · Class and Exam Timetabling System

A vulnerability in SourceCodester Class and Exam Timetabling System may allow for unauthorized system interaction or data exposure.

Executive summary

The SourceCodester Class and Exam Timetabling System contains a high-severity vulnerability that could allow attackers to bypass security controls.

Vulnerability

This vulnerability involves a security weakness in the application logic that could potentially be leveraged to gain unauthorized access. The precise entry point remains undefined, necessitating a defensive posture assuming potential unauthenticated exploitation.

Business impact

With a CVSS score of 7.3, this flaw represents a significant risk to the availability and integrity of the Class and Exam Timetabling System. Unauthorized exploitation could result in the exposure of sensitive student data or the disruption of critical examination scheduling services.

Remediation

Immediate Action: Verify the deployment version and apply all pending security updates or patches provided by SourceCodester.

Proactive Monitoring: Monitor application-specific logs for anomalous behavior, particularly requests directed toward administrative or database-interacting components.

Compensating Controls: Utilize a WAF with strict rules to block suspicious payloads and restrict application access to authorized users via VPN or network segmentation.

Exploitation status

Public Exploit Available: false

Analyst recommendation

Organizations utilizing this software must prioritize auditing their installation and applying any available patches. The high severity rating dictates that remediation should occur during the next maintenance window or immediately if the system is internet-facing.