Authorization Flaw in Synology DiskStation Manager Security Advisor
CVE-2026-124993

5.3MEDIUM

Key Information:

Vendor

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

What is CVE-2026-124993?

A vulnerability in the Security Advisor component of Synology DiskStation Manager (DSM) prior to versions 7.3.2-86009-5 and 7.4.1-90080-1 allows remote attackers to exploit incorrect authorization controls. This exploitation could enable unauthorized access to specific files, posing a risk to sensitive information stored on affected devices. Users are urged to update their DSM software to mitigate potential threats.

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:
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

Nuke (https://imnuke.dev)
.