# CVE-2026-124993: Synology DiskStation Manager Security Advisor incorrect authorization

Source: https://junglewise.ai/threats/cve-2026-124993-an-incorrect-authorization-vulnerability-in-the-security-advisor  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-11-12. Updated: 2026-11-12  
License: CC BY 4.0 with a link back

CVE-2026-124993 · Severity: medium · CVSS 5.3 · Published 2026-11-12

Synology DiskStation Manager (DSM) is a network-attached storage operating system used by businesses to manage and protect data. An incorrect authorization flaw in the Security Advisor component allows remote attackers to read sensitive files without proper credentials. This could expose confidential data stored on the NAS device, including system configurations and user files.

Technologies: [Synology DiskStation Manager (DSM)](https://junglewise.ai/threats/technologies/diskstation-manager-dsm). Vendors: [Synology](https://junglewise.ai/threats/vendors/synology).

## Quick answers

**Is CVE-2026-124993 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-124993 being exploited in the wild.

**How severe is CVE-2026-124993?** Medium severity, with a CVSS score of 5.3, published 12 November 2026.

**Which products and versions are affected?** Synology DiskStation Manager (DSM) 7.3.2 before 86009-5, 7.4.1 before 90080-1.

**Is there a fix for CVE-2026-124993?** Yes: fixed in DSM 7.3.2-86009-5, 7.4.1-90080-1. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-124993 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2026-124993?** Check whether you run Synology DiskStation Manager (DSM) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- Fixed in DSM 7.3.2-86009-5, 7.4.1-90080-1

## Technical details

An incorrect authorization vulnerability in the Security Advisor component of DSM allows remote attackers to bypass access controls and read specific files. The vulnerability requires network access but no authentication. The flaw permits unauthorized information disclosure of files that should be restricted.

## Affected products

- Synology DiskStation Manager (DSM) 7.3.2 before 86009-5, 7.4.1 before 90080-1

## Timeline

- 2026-11-12: disclosed
- 2026-11-10: advisory

## References

- [https://www.synology.com/en-global/security/advisory/Synology_SA_26_18](https://www.synology.com/en-global/security/advisory/Synology_SA_26_18)

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