CVE-2026-54477

Gardyn IoT Hub Improper Neutralization of HTTP Headers for Scripting Syntax

CVSS 5.1 MEDIUMEPSS 0.2%CWE-644

Vexday Risk Score

33Attention

SSVC decision (CISA)

Attend

PoC available → attend closely

Exploit maturity

Proof of concept

Public proof of concept exists, but not yet automated.

CVSS 5.1EPSS 0.2%KEV nãoPoC públicaNuclei —Metasploit —Patch —

Lifecycle

02 Jul 2026Public PoC

02 Jul 2026Published on NVD

Weaponization speed

same dayto first PoC

Weaponized quickly — attackers prioritized this vulnerability. Patch urgently.

Recommendation: Plan a near-term fix — a public PoC already exists.

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

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/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