CVE-2026-28767

Gardyn Cloud API Missing Authentication for Critical Function

CVSS 6.9 MEDIUMEPSS 0.4%CWE-306

A specific administrative endpoint notifications is accessible without proper authentication.

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

Affected products

Gardyn · Cloud API

public PoCs found — 1

githubgithub.com/MichaelAdamGroberman/CVE-2026-28767★ 0

⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

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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