CVE-2026-3558: (Pwn2Own) Philips Hue Bridge HomeKit Accessory Protocol Transient Pairing Mode Authentication Bypass Vulnerability
Philips Hue Bridge HomeKit Accessory Protocol Transient Pairing Mode 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 HomeKit Accessory Protocol service, which listens on TCP port 8080 by default. The issue results from the lack of authentication prior to allowing access to functionality. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-28374.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-3558?
CVE-2026-3558 has been classified as a high severity vulnerability due to its potential to allow unauthorized access.
How do I fix CVE-2026-3558?
To fix CVE-2026-3558, ensure that your Philips Hue Bridge is updated to the latest firmware version provided by Philips.
Who is affected by CVE-2026-3558?
CVE-2026-3558 affects users of the Philips Hue Bridge that utilize the HomeKit Accessory Protocol.
What type of attack does CVE-2026-3558 enable?
CVE-2026-3558 enables network-adjacent attackers to bypass authentication in transient pairing mode.
Is CVE-2026-3558 being actively exploited?
There are currently no public reports indicating that CVE-2026-3558 is being actively exploited in the wild.