Synology DSM pre-7.3.2 SQLi via Sharing API remote auth
CVE-2026-4036 Published on September 18, 2026
An improper neutralization of special elements used in an SQL command ('SQL injection') vulnerability in Sharing API in Synology DiskStation Manager (DSM) before 7.2.1-69057-10, 7.2.2-72806-7 and 7.3.2-86009-2 allows remote authenticated users to obtain arbitrary sharing files.
Vulnerability Analysis
CVE-2026-4036 is exploitable with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality, with no impact on integrity and availability.
Weakness Type
What is a SQL Injection Vulnerability?
The software constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component.
CVE-2026-4036 has been classified to as a SQL Injection vulnerability or weakness.
Products Associated with CVE-2026-4036
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Affected Versions
Synology DiskStation Manager (DSM):- Version 7.3 and below 7.3.2-86009-2 is affected.
- Version 7.2.2 and below 7.2.2-72806-7 is affected.
- Version 7.2.1 and below 7.2.1-69057-10 is affected.
- Before 7.2.1 is unknown.