CVE-2026-55651
High
Description
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.
SeverityHigh
CVSS7.1
Exploit probability—
ProductAlextselegidis/easyappointments
PublishedJul 14, 2026
First seenJul 14, 2026
Weakness typeCWE-200Sensitive information exposure
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| alextselegidis/easyappointmentsPackagist | No range specified | — |
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