(Pwn2Own) Philips Hue Bridge HomeKit Authentication Bypass Vulnerability

November 13th, 2026
ZDI-26-966 ZDI-CAN-28468

CVE ID

CVE-2026-126981

CVSS Score

8.1 AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected Vendors

Philips

Affected Products

Hue Bridge

Vulnerability Details

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 HomeKit Authentication service, which listens on TCP port 8080 by default. When handling pairing requests, the service does not properly enforce the expected order of authentication messages. An attacker can leverage this vulnerability to bypass authentication on the system.

Additional Details

Fixed in Bridge v2 Software version 1975170000
https://www.philips-hue.com/en-ca/support/release-notes/bridge


Disclosure Timeline

  • 2026-07-28 - Vulnerability reported to vendor
  • 2026-11-13 - Coordinated public release of advisory
  • 2026-11-13 - Advisory Updated

Credit

Xilokar

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