CVE-2026-28766criticalCWE-306

Gardyn Cloud API Missing Authentication for Critical Function

48Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 9.2epss 0.4%

from disclosure to weapon4 days

Published on NVDApr 3

1st PoC+4d

exploitation probability

0.4%top 64% of all CVEs

observed exploitation

nono source reports it

1 public exploit(s)

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

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

Affected products

public PoCs found — 1

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

References