CVE-2026-28766

EUVD-2026-18839
A specific endpoint exposes all user account information for registered Gardyn users without requiring authentication.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.3 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 24%
Affected Products (NVD)
VendorProductVersion
mygardyncloud_api
𝑥
< 2.12.2026
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-055-03.json
https://mygardyn.com/security/
https://www.cisa.gov/news-events/ics-advisories/icsa-26-055-03