CVE-2026-28766: Mygardyn Cloud API

High severity, CVSS 7.5. EPSS: 0.6% chance of exploitation in the next 30 days.

A specific endpoint exposes all user account information for registered Gardyn users without requiring authentication.

Affected products

• Mygardyn Cloud API: before 2.12.2026 (fixed in 2.12.2026)

Published 2026-04-03. Last modified 2026-07-24.