Vulnerability Discovered in Synology Mail Station

A vulnerability was discovered in Synology Mail Station on April 3, 2026, as reported by CERT-FR. The flaw allows attackers to compromise data confidentiality and integrity, though no specific technical details, CVE ID, or affected versions were provided. The impact is limited to unauthorized access and manipulation of data within the affected system. No exploitation in the wild or additional mitigation steps were mentioned in the notice. The advisory originates from the French government’s cybersecurity agency.