Vulnerability · Published Apr 3, 2026 · Assigned by icscert
CVE-2026-28767Gardyn Cloud API Missing Authentication for Critical Function
Medium 5.3
In plain English
A medium-severity missing authentication in Cloud API from Gardyn. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 33% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.4%top 66.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling1Public PoC
Official description
A specific administrative endpoint notifications is accessible without proper authentication.
Affected products (as reported)
Weakness: CWE-306 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N