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Description

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

PUBLISHED Reserved 2026-03-17 | Published 2026-04-03 | Updated 2026-04-07 | Assigner icscert




CRITICAL: 9.2CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:H/SI:L/SA:N

CRITICAL: 9.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N

Problem types

CWE-306

Product status

Default status
unaffected

Any version before 2.12.2026
affected

Credits

Michael Groberman reported these vulnerabilities to CISA. finder

References

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

mygardyn.com/security/

github.com/...p/csaf_files/OT/white/2026/icsa-26-055-03.json

cve.org (CVE-2026-28766)

nvd.nist.gov (CVE-2026-28766)

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