CVE-2025-40645: Viday

High severity, CVSS 8.7. EPSS: 0.3% chance of exploitation in the next 30 days.

Exposure of sensitive information in Viday. This vulnerability could allow an unauthenticated attacker to obtain sensitive information about customers by sending an HTTP GET request to “/api/reserva/web/clients” using the “phone” parameter.

Affected products

• Viday Viday: any version

Published 2025-10-02. Last modified 2026-06-17.