(Pwn2Own) Philips Hue Bridge HomeKit Observable Discrepancy Information Disclosure Vulnerability

November 13th, 2026
ZDI-26-965 ZDI-CAN-28470

CVE ID

CVE-2026-126980

CVSS Score

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

Affected Vendors

Philips

Affected Products

Hue Bridge

Vulnerability Details

This vulnerability allows network-adjacent attackers to disclose sensitive information 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 processing crafted pairing requests, the service discloses internal information via an observable discrepancy between possible responses. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the device.

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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