Vulnerability · Published Jul 2, 2026 · Assigned by icscert
CVE-2026-54477Gardyn IoT Hub Improper Neutralization of HTTP Headers for Scripting Syntax
Medium 5.4
In plain English
A medium-severity security flaw in Gardyn 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 0.3% (higher than 26% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.3%top 74.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling1Public PoC
Official description
The admin panel lacks standard security headers, enabling clickjacking and cross-site scripting attacks.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Gardyn | Gardyn Home Firmware | 0 – before master.627 |
| Gardyn | Gardyn Studio Firmware | 0 – before master.627 |
| Gardyn | Gardyn Cloud API | 0 – before 2.12.2026 |
Weakness: CWE-644 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N