CVE-2026-109524 in Online-Appointment-Booking-System
Summary
by MITRE • 10/13/2026
A vulnerability was determined in girishsaraf Online-Appointment-Booking-System up to f427b4757128ca253d33d0cc4e87bbb9c999a4d5. Affected by this issue is some unknown functionality of the file Admin/showdoctor.php of the component Admin Display Pages. This manipulation causes missing authorization. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized. This product adopts a rolling release strategy to maintain continuous delivery. Therefore, version details for affected or updated releases cannot be specified. 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 • 10/13/2026
The vulnerability identified in the girishsaraf Online-Appointment-Booking-System represents a critical failure in access control mechanisms within the administrative interface. Specifically, this flaw resides in the Admin/showdoctor.php file, which is responsible for displaying doctor-related information to administrators. The core technical issue is classified as missing authorization, indicating that the application fails to properly verify whether the user initiating the request possesses the necessary privileges to access or manipulate specific resources. This type of vulnerability allows an attacker who has authenticated credentials with lower-level permissions, such as a standard patient account, to potentially escalate their privileges and perform administrative actions intended only for authorized staff members. The absence of robust server-side checks means that the application relies on client-side controls or no verification at all, which can be easily bypassed by manipulating HTTP requests directly.
From an operational perspective, this missing authorization flaw poses a severe risk to the integrity and confidentiality of the system's data. An attacker could exploit this vulnerability to view sensitive patient records, modify appointment schedules, alter doctor profiles, or even delete critical database entries if subsequent actions are not also properly secured. Since the attack vector is remote, an adversary does not need physical access to the network hosting the application; they can initiate exploitation over the internet provided they have valid user credentials for any account on the system. The fact that the exploit has been publicly disclosed significantly increases the likelihood of automated attacks and widespread compromise by threat actors scanning for known vulnerable instances of this software.
The project's use of a rolling release strategy complicates traditional vulnerability management practices, as specific version numbers cannot be reliably mapped to fixed states. This continuous delivery model means that any commit in the history up to the specified hash f427b4757128ca253d33d0cc4e87bbb9c999a4d5 may contain this flaw, making patching efforts dependent on identifying and deploying specific code changes rather than upgrading to a discrete version number. The lack of response from the project maintainers despite early notification suggests that users must rely on community-driven patches or manual remediation strategies until official support is provided.
To mitigate these risks, immediate action should focus on implementing strict role-based access control checks within the showdoctor.php script and other administrative endpoints. Developers must ensure that every request to sensitive resources verifies both authentication status and authorization levels against a secure server-side session store rather than trusting client-supplied data. Additionally, deploying a Web Application Firewall can provide an additional layer of defense by filtering out malicious requests that attempt to bypass access controls. For organizations currently running this software, it is advisable to restrict administrative interfaces to trusted IP addresses via network-level security groups and to monitor logs for unusual patterns indicative of privilege escalation attempts until the underlying code issue is resolved in a future release.