CVE-2026-4036 SQL injection in DiskStation Manager (DSM)
Remote authenticated users can exploit SQL injection in the Sharing API to obtain arbitrary sharing files on Synology DSM.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-4036?
CVE-2026-4036 is a medium-severity SQL injection vulnerability in Synology DiskStation Manager (DSM), published on 18 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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.
Weakness: CWE-89
Which versions are affected by CVE-2026-4036?
How do I fix CVE-2026-4036?
No fix has been published for CVE-2026-4036 yet. Limit exposure of the affected software until one is available.
Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.
Is CVE-2026-4036 being exploited?
There is no known exploitation of CVE-2026-4036 in the wild and no public exploit code.
Sources
Also known as GHSA-7j66-q2g2-58mc.