What’s Vulnerable › Vulnerabilities

CVE-2026-13768: Gardyn IoT Hub Use of Hard-coded Credentials

• Severity: critical (CVSS 10.0 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-07-03 · updated 2026-07-06
• Weakness: CWE-798

Description

Gardyn devices expose a privileged iothubowner key. Access to this key will allow a malicious user to invoke an IoTHub Registry Manager function which returns connection information for all Gardyn Home Kit and Studio devices. Access to this key also allows a malicious user to execute arbitrary commands on a specific connected device and may allow the malicious user to pivot to other devices on the user's network.

Affected products

• Gardyn Cloud API: before 2.12.2026 — fixed in 2.12.2026
• Gardyn Home Firmware: before master.627 — fixed in master.627
• Gardyn Studio Firmware: before master.627 — fixed in master.627

How to fix

Upgrade to a fixed version: Gardyn Cloud API 2.12.2026; Gardyn Home Firmware master.627; Gardyn Studio Firmware master.627. Check the vendor advisory for mitigations.

References

• https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-183-03.json
• https://mygardyn.com/security/
• https://www.cisa.gov/news-events/ics-advisories/icsa-26-183-03

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