CVE-2026-55726 PUBLISHED

Gardyn IoT Hub Exposure of Sensitive System Information to an Unauthorized Control Sphere

Assigner: icscert
Reserved: 22.06.2026 Published: 02.07.2026 Updated: 02.07.2026

The Azure Blob Storage container used for Gardyn device logs is publicly listable without authentication. A malicious user would be able to access any device log file available in the blob storage container.

Metrics

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:L
CVSS Score: 6.9

Product Status

Vendor Gardyn
Product Gardyn Home Firmware
Versions Default: unaffected
  • affected from 0 to master.627 (excl.)
Vendor Gardyn
Product Gardyn Studio Firmware
Versions Default: unaffected
  • affected from 0 to master.627 (excl.)
Vendor Gardyn
Product Gardyn Cloud API
Versions Default: unaffected
  • affected from 0 to 2.12.2026 (excl.)

Workarounds

Gardyn requests that users ensure their devices have Internet connectivity in order to automatically download needed firmware updates. Unconnected devices will automatically update when configured with a working Internet connection. Gardyn also recommends that users update their mobile application to the most recent version. The current versions of the Gardyn App and the Gardyn Home firmware can be checked in the Gardyn App.

Further information on Gardyn security can be found here:  https://mygardyn.com/security/

Further customer support can be obtained from Gardyn at:  support@mygardyn.com mailto:support@mygardyn.com

Solutions

Gardyn states that IoT Hub deployed infrastructure has been updated to fix the listed vulnerabilities.

Credits

  • Michael Groberman reported this vulnerability to CISA. finder

References

Problem Types

  • CWE-497 CWE