alextselegidis easyappointments 1.5.2 Customers Search Endpoint information disclosure

Summaryinfo

A vulnerability described as problematic has been identified in alextselegidis easyappointments 1.5.2. This vulnerability affects unknown code of the component Customers Search Endpoint. The manipulation results in information disclosure. This vulnerability was named CVE-2026-55651. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in alextselegidis easyappointments 1.5.2. It has been classified as problematic. Affected is an unknown code block of the component Customers Search Endpoint. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. CVE summarizes:

Easy!Appointments is a self hosted appointment scheduler. In version 1.5.2, an Excessive Data Exposure vulnerability in the customers search endpoint allows an authenticated user to obtain appointment hashes belonging to other users. Using these hashes, an attacker can modify or delete appointments of other providers, resulting in an Appointments Takeover. Version 1.6.0 fixes the issue.

The advisory is shared for download at github.com. This vulnerability is traded as CVE-2026-55651 since 06/17/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1592.

Upgrading to version 1.6.0 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Appointment Software

Vendor

• alextselegidis

Name

• easyappointments

Version

• 1.5.2

Website

• Product: https://github.com/alextselegidis/easyappointments/

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Once again VulDB remains the best source for vulnerability data.

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