What the vulnerability does
01Description
Missing Authorization vulnerability in vertim Schedula schedula-smart-appointment-booking allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Schedula: from n/a through <= 1.0.
Explanation of Vulnerability in Simple Terms
02Summary
Schedula versions 1.0 and earlier lack proper authorization checks, allowing unauthenticated attackers to read sensitive data through network requests. The vulnerability requires specific conditions to exploit but does not allow modification or deletion of data. Administrators should update to a version newer than 1.0 when available.
What an attacker can do
03Attacker Capabilities
Read sensitive information without authentication.
Potential impact on your site
04Site Impact
Confidential data may be exposed to unauthorized parties without authentication.
Conditions required to exploit
05Prerequisites
Network access; specific attack conditions must be met (high complexity).
Key dates
06Disclosure timeline
February 20, 2026
CVE published
April 28, 2026
Record updated