Is CVE-2026-40537 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-40537?

CVE-2026-40537 has a CVSS v3 severity of MEDIUM (4.3).

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CVE-2026-40537

Description

A server-side request forgery (SSRF) vulnerability in PersonMail API in Synology DiskStation Manager (DSM) before 7.2.1-69057-10, 7.2.2-72806-7 and 7.3.2-86009-2 allows remote authenticated users to obtain non-sensitive information.