Improper Encoding Vulnerability in Synology DiskStation Manager
CVE-2026-13635

5.3MEDIUM

Key Information:

Vendor

Synology
Status
Diskstation Manager (dsm)
Vendor
CVE Published:
18 September 2026

What is CVE-2026-13635?

An improper encoding or escaping vulnerability exists in the Auth API within Synology DiskStation Manager (DSM). This issue can allow remote attackers to exploit the flaw and potentially obtain non-sensitive information, raising concerns about data exposure and the overall security posture of affected systems. Users are recommended to update their software to the latest versions to mitigate this vulnerability effectively.

Affected Version(s)

DiskStation Manager (DSM) 7.4

DiskStation Manager (DSM) 7.4 < 7.4-90075

DiskStation Manager (DSM) 7.3.2 < 7.3.2-86009-4

References

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

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Uky
.