CVE-2026-26289 Subnet Solutions PowerSYSTEM Center Incorrect Authorization
Authenticated users with limited permissions can access sensitive device account data via the REST API, bypassing administrative restrictions.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-26289?
CVE-2026-26289 is a high-severity missing authorization vulnerability in Subnet Solutions PowerSYSTEM Center 2020, published on 12 May 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
PowerSYSTEM Center REST API endpoint for device account export allows an authenticated user with limited permissions to expose sensitive information normally restricted to administrative permissions only.
Weakness: CWE-863
Which versions are affected by CVE-2026-26289?
How do I fix CVE-2026-26289?
No fix has been published for CVE-2026-26289 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-26289 being exploited?
There is no known exploitation of CVE-2026-26289 in the wild and no public exploit code.
Sources
Also known as GHSA-cj84-4hc2-frh6.