Sensitive Information Exposure in Synology DiskStation Manager API Framework
CVE-2026-87801

6.5MEDIUM

Key Information:

Vendor

Synology
Status
Diskstation Manager (dsm)
Vendor
CVE Published:
12 November 2026

What is CVE-2026-87801?

A vulnerability exists in the API framework of Synology DiskStation Manager that permits remote authenticated users to access and read arbitrary files. This flaw allows the potential unauthorized disclosure of sensitive information, impacting the confidentiality of data handled by affected versions of the software.

Affected Version(s)

DiskStation Manager (DSM) 7.4.1

DiskStation Manager (DSM) 7.4.1 < 7.4.1-90080-1

DiskStation Manager (DSM) 7.3.2 < 7.3.2-86009-5

References

https://www.synology.com/en-global/security/advisory/Syno...

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Joe Lovett
.