CVE-2026-3559 PUBLISHED

Philips Hue Bridge HomeKit Accessory Protocol Static Nonce Authentication Bypass Vulnerability

Assigner: zdi
Reserved: 04.03.2026 Published: 13.03.2026 Updated: 13.03.2026

Philips Hue Bridge HomeKit Accessory Protocol Static Nonce Authentication Bypass Vulnerability. This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of Philips Hue Bridge. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the configuration of the SRP authentication mechanism in the HomeKit Accessory Protocol service, which listens on TCP port 8080 by default. The issue results from the use of a static nonce value. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-28451.

Metrics

CVSS Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS Score: 8.1

Product Status

Vendor Philips
Product Hue Bridge
Versions Default: unknown
  • Version 1.73.1973146020 is affected

References

Problem Types

  • CWE-323: Reusing a Nonce, Key Pair in Encryption CWE