CVE-2026-28766

Published: Apr 3, 2026Modified: Apr 22, 2026

9.2

Vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:H/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

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CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:H/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XShow less

Source: ics-cert@hq.dhs.gov (Secondary)

Description

A specific endpoint exposes all user account information for registered Gardyn users without requiring authentication.

Affected (1)

Products: Mygardyn: Cloud Api

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Mygardyn Cloud Api	Before 2.12.2026

Related CWEs

Missing Authentication for Critical Function

The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.

References (3)

https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-055-03.json

Source: ics-cert@hq.dhs.gov

Third Party Advisory

https://mygardyn.com/security/

Source: ics-cert@hq.dhs.gov

Vendor Advisory

https://www.cisa.gov/news-events/ics-advisories/icsa-26-055-03

Source: ics-cert@hq.dhs.gov

US Government ResourceThird Party Advisory

Timeline

No history available yet.