Forced browsing in DiskStation Manager (DSM) - CVE-2026-40532

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Main Vulnerability Database Vulnerabilities #VU126265

Forced browsing in DiskStation Manager (DSM) - CVE-2026-40532

Published: April 16, 2026


Vulnerability identifier: #VU126265
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-40532
CWE-ID: CWE-425
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Synology Inc.
Affected software:
DiskStation Manager (DSM)

Detailed vulnerability description

The vulnerability allows a remote user to disclose sensitive information.

The vulnerability exists due to direct request forced browsing in DSM when handling requests to restricted resources. A remote user can send a specially crafted request to disclose sensitive information.


How to mitigate CVE-2026-40532

Install security update from vendor's website.

Sources