# CVE-2026-76954: Synology DiskStation Manager SQL injection in Auth API

Source: https://junglewise.ai/threats/cve-2026-76954-an-improper-neutralization-of-special-elements-used-in-an-sql  
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-2026-76954 · Severity: critical · CVSS 9.8 · Published 2026-11-12

Synology DiskStation Manager (DSM) is a network operating system for NAS storage devices that manages file access and system administration. A SQL injection vulnerability in the authentication API allows remote attackers to read sensitive files, modify data, or crash the system without requiring credentials or user interaction. This could expose confidential files or render the storage device unavailable.

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

## Quick answers

**Is CVE-2026-76954 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-76954 being exploited in the wild.

**How severe is CVE-2026-76954?** Critical severity, with a CVSS score of 9.8, published 12 November 2026.

**Which products and versions are affected?** Synology DiskStation Manager 7.4.0 and below; 7.3.0 to 7.3.1; 7.2.2 below 72806-10; 7.2.1 below 69057-13.

**Is there a fix for CVE-2026-76954?** Yes: fixed in DSM 7.4.1-90080-1 or above; DSM 7.3.2-86009-5 or above; DSM 7.2.2-72806-10 or above; DSM 7.2.1-69057-13 or above. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-76954 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2026-76954?** Check whether you run Synology DiskStation Manager 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 7.4.1-90080-1 or above; DSM 7.3.2-86009-5 or above; DSM 7.2.2-72806-10 or above; DSM 7.2.1-69057-13 or above

## Technical details

An improper neutralization of special characters in SQL queries (CWE-89) exists in the Auth API component. The vulnerability is network-accessible, requires no authentication or privileges, and no user interaction. Attackers can craft malicious SQL commands to extract or modify arbitrary files and trigger denial-of-service conditions. A fix is available in DSM 7.4.1-90080-1 and corresponding patches for earlier branches.

## Affected products

- Synology DiskStation Manager 7.4.0 and below; 7.3.0 to 7.3.1; 7.2.2 below 72806-10; 7.2.1 below 69057-13

## Timeline

- 2026-11-10: disclosed: Advisory Synology-SA-26:19 published
- 2026-11-12: advisory: NVD entry CVE-2026-76954 created

## References

- [https://www.synology.com/en-global/security/advisory/Synology_SA_26_19](https://www.synology.com/en-global/security/advisory/Synology_SA_26_19)

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