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Vulnerabilities

Vulnerability · CVE-2026-28766

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

Published Apr 3, 2026 · catalog updated Jul 24, 2026 · cloud api

Check if you run it

No confirmed exploitation is on record for CVE-2026-28766. EPSS is 0.60%. Act only if a listed version of cloud api is installed.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Critical9.2
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.60%
Remediation
Advisory link
Affected products
cpe mygardyn/cloud api

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

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe mygardyn/cloud apiversion unspecified

How to fix CVE-2026-28766

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-28766. EPSS is 0.60%. Act only if a listed version of cloud api is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-306: Missing Authentication for Critical Function. EPSS 0.60%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 3, 2026 · NIST NVD

    Detected

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

  2. Jul 24, 2026 · NIST NVD

    Updated

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

Sources

  • CVE.orgVulnerability recordCVE-2026-28766

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-28766

    30-day exploitation probability 0.6%

    first.org
  • NIST NVDVulnerability recordCVE-2026-28766

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

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.