(Pwn2Own) Philips Hue Bridge HomeKit Pair-Setup Default Password Authentication Bypass Vulnerability

November 13th, 2026
ZDI-26-962 ZDI-CAN-28323

CVE ID

CVE-2026-126977

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. Crafted data in a pairing request can cause the device to allow authentication using a blank password. An attacker can leverage this vulnerability to bypass authentication on the system.

Additional Details

Fixed in firmware version 1.75.1975170000 (or newer)
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

Hank Chen (@hank0438) of InnoEdge Labs

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