What is CVE-2026-54477?

CVE-2026-54477 is a medium-severity vulnerability in Gardyn Cloud Api, classified under Improper Neutralization of HTTP Headers for Scripting Syntax. CVSS score: 5.4/10. Published 2026-07-03.

How severe is CVE-2026-54477?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Is CVE-2026-54477 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Gardyn Cloud Api

CVE-2026-54477

The admin panel lacks standard security headers, enabling clickjacking and cross-site scripting attacks.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N.

Affected products

Gardyn Cloud Api — versions 0
Gardyn Home Firmware — versions 0
Gardyn Studio Firmware — versions 0

Weakness classification (CWE)

CWE-644 — Improper Neutralization of HTTP Headers for Scripting Syntax

Public proof-of-concept exploits

MichaelAdamGroberman/CVE-2026-54477

References

Frequently asked questions

What is CVE-2026-54477?: CVE-2026-54477 is a medium-severity vulnerability in Gardyn Cloud Api, classified under Improper Neutralization of HTTP Headers for Scripting Syntax. CVSS score: 5.4/10. Published 2026-07-03.
How severe is CVE-2026-54477?: Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2026-54477 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.