CVE-2026-28766 Details
Description
A specific endpoint exposes all user account information for registered Gardyn users without requiring authentication.
A vulnerability exists in the Gardyn ecosystem, specifically within the Gardyn Home Kit and Gardyn Studio components. The issue arises from an API endpoint that exposes all user account information for registered Gardyn users without requiring authentication. This vulnerability allows unauthenticated users to access and control edge devices, cloud-based devices, and user information. It also enables pivoting to other edge devices managed in the Gardyn cloud environment.
Users are advised to update their Gardyn mobile application to version 2.11.0 or later and ensure their Gardyn devices are upgraded to firmware version master.622 or later. Further information on Gardyn security can be found on the Gardyn security webpage. For customer support, contact Gardyn at [email protected].
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Apr 7, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-055-03.json | [email protected] | Third Party Advisory |
| https://mygardyn.com/security/ | [email protected] | Vendor Advisory |
| https://www.cisa.gov/news-events/ics-advisories/icsa-26-055-03 | [email protected] | Third Party AdvisoryUS Government Resource |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-306 | Missing Authentication for Critical Function | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| mygardyn cloud api | < 2.12.2026 |
CPE
Remediation
| |
Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 24, 2026 | CVE Translated | [email protected] |
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Apr 22, 2026 | Initial Analysis | [email protected] |
| Apr 3, 2026 | New CVE Received | [email protected] |