CVE-2026-55726

MEDIUM 5.3

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

CVSS Score

5.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-497
Vendor	gardyn
Product	gardyn home firmware
Published	Jul 2, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Affected Versions

Gardyn / Gardyn Home Firmware

0 < master.627

Gardyn / Gardyn Studio Firmware

0 < master.627

Gardyn / Gardyn Cloud API

0 < 2.12.2026

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

Michael Groberman reported this vulnerability to CISA.