What’s Vulnerable › Vulnerabilities

CVE-2026-55726: Gardyn IoT Hub Exposure of Sensitive System Information to an Unauthorized Control Sphere

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% 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-497

Description

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.

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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