CVE-2026-28766 CRITICAL

CVE-2026-28766: Gardyn Cloud API Missing Authentication for Critical Function

Vendor Gardyn
Product Cloud API
Weakness CWE-306 · Missing auth
Published April 3, 2026
Last update April 7, 2026
View on NVD All CVEs

CVSS base score

9.2/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:H/SI:L/SA:N

What the vulnerability does

01Description

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

Key dates

02Disclosure timeline

April 3, 2026 CVE published
April 7, 2026 Record updated