What’s Vulnerable › Vulnerabilities
CVE-2026-3562: Philips Hue Bridge hk_hap Ed25519 Signature Verification Authentication Bypass Vulnerability
- Severity: high (CVSS 8.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-03-16 · updated 2026-06-17
- Weakness: CWE-347
Description
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.
Affected products
- Philips Hue Bridge: before 1975170000 — fixed in 1975170000
How to fix
Upgrade to a fixed version: Philips Hue Bridge 1975170000. Check the vendor advisory for mitigations.
References
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