#VU126270 Server-Side Request Forgery (SSRF) in DiskStation Manager (DSM) - CVE-2026-40537

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Main Vulnerability Database Vulnerabilities #VU126270

#VU126270 Server-Side Request Forgery (SSRF) in DiskStation Manager (DSM) - CVE-2026-40537

Published: April 16, 2026


Vulnerability identifier: #VU126270
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-40537
CWE-ID: CWE-918
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
DiskStation Manager (DSM)
Software vendor:
Synology Inc.

Description

The vulnerability allows a remote user to disclose limited information.

The vulnerability exists due to server-side request forgery in DSM when processing crafted server-side requests. A remote user can send a specially crafted request to disclose limited information.


Remediation

Install security update from vendor's website.

External links