CVE-2026-3562 MEDIUM

CVE-2026-3562: Philips Hue Bridge hk_hap Ed25519 Signature Verification Authentication Bypass Vulnerability

Vendor Philips
Product Hue Bridge
Weakness CWE-347
Published March 13, 2026
Last update March 16, 2026

CVSS base score

6.3/10
Attack vector Adjacent
Attack complexity Low
Privileges required None
User interaction None
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

What the vulnerability does

01Description

Philips Hue Bridge hk_hap Ed25519 Signature Verification Authentication Bypass Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Philips Hue Bridge. Authentication is not required to exploit this vulnerability. The specific flaw exists within the ed25519_sign_open function. The issue results from improper verification of a cryptographic signature. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-28480.

Key dates

02Disclosure timeline

March 13, 2026 CVE published
March 16, 2026 Record updated