CVE-2026-115248 in online-clinic-management-system
Summary
by MITRE • 10/22/2026
A vulnerability was detected in subhajitkhan online-clinic-management-system up to e9ee77a8827a1446220fa07ee693dc4d9a29a578. This issue affects some unknown processing of the file patappointtime.php of the component Booking Handler. The manipulation results in enforcement of behavioral workflow. It is possible to launch the attack remotely. The exploit is now public and may be used. The patch is identified as e9ee77a8827a1446220fa07ee693dc4d9a29a578. It is advisable to implement a patch to correct this issue. The project was informed of the problem early through an issue report but has not responded yet.
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Analysis
by VulDB Data Team • 10/22/2026
The online-clinic-management-system developed by subhajitkhan contains a critical security flaw within its Booking Handler component, specifically affecting the patappointtime.php file in versions up to commit e9ee77a8827a1446220fa07ee693dc4d9a29a578. This vulnerability stems from an improper handling of input data that allows for the manipulation of behavioral workflows within the application logic. The core technical flaw involves a lack of sufficient validation or authorization checks when processing appointment time requests, which enables an attacker to bypass intended operational constraints and enforce arbitrary workflow states.
From a technical perspective, this issue aligns with CWE-20 Improper Input Validation and potentially CWE-915 Improper Modification of Software Functionality. The vulnerability allows for the enforcement of behavioral workflows that are not authorized or expected by the system design. By manipulating the parameters passed to patappointtime.php, an attacker can alter how the booking system processes appointments, potentially leading to double bookings, scheduling conflicts, or unauthorized access to patient data associated with those appointments. This type of flaw is often categorized under logic errors where the application fails to enforce business rules correctly due to insufficient server-side validation.
The operational impact of this vulnerability is significant for healthcare organizations relying on this system for appointment management. Since the exploit allows remote execution without authentication, an external attacker can disrupt clinic operations by creating invalid appointments or manipulating existing ones. This disruption can lead to administrative overhead as staff must resolve scheduling errors and potential patient dissatisfaction due to missed or double-booked slots. Furthermore, if the workflow manipulation exposes underlying database records during the process, it could facilitate further attacks such as data exfiltration or integrity compromise of sensitive health information protected under regulations like HIPAA in the United States or GDPR in Europe.
This vulnerability is classified within the MITRE ATT&CK framework under techniques related to Application Layer Protocol Manipulation and potentially Privilege Escalation if the workflow change grants access to restricted areas of the application. The fact that the exploit is public increases the risk landscape considerably, as automated tools can now detect and leverage this flaw against vulnerable instances without requiring custom development by threat actors. The remote nature of the attack means no physical or local network proximity is required, making it a high-severity issue for any internet-facing deployment of the software.
Mitigation strategies must prioritize immediate remediation through patching. Administrators should upgrade to version e9ee77a8827a1446220fa07ee693dc4d9a29a578 or later, which addresses the input validation flaws in patappointtime.php. Until the patch is applied, defensive measures such as implementing strict web application firewall rules to block suspicious patterns in appointment time parameters can provide temporary relief. Additionally, developers should review all endpoints handling booking data to ensure that state changes are validated against user permissions and business logic constraints before execution.
The project maintainers have been notified via an issue report but have not yet responded or released the fix publicly beyond the identified commit hash. This lack of response highlights the importance for organizations using this software to monitor repository activity closely and consider alternative solutions if timely patching is not guaranteed. Security teams should treat this as a high-priority item due to the public availability of exploits and the critical nature of clinic management systems in maintaining operational continuity and patient data integrity.