CVE-2026-40533 Information disclosure in DiskStation Manager (DSM)
Remote attackers can obtain non-sensitive information via Desktop API queries in Synology DiskStation Manager.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-40533?
CVE-2026-40533 is a medium-severity vulnerability in Synology DiskStation Manager (DSM), published on 18 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An exposure of sensitive information through data queries vulnerability in Desktop 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 attackers to obtain non-sensitive information.
Weakness: CWE-202
Which versions are affected by CVE-2026-40533?
How do I fix CVE-2026-40533?
No fix has been published for CVE-2026-40533 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-40533 being exploited?
There is no known exploitation of CVE-2026-40533 in the wild and no public exploit code.
Sources
Also known as GHSA-q9hh-8w48-6v49.