CVE-2026-3558HIGH 8.1EPSS p31.7%

CVE-2026-3558CVE-2026-3558

Description

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.

Scoring

CVSS 3.08.1 (HIGH)
VectorCVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS0.40% probability of exploitation · percentile 31.7% · 2026-06-19T12:03:05Z
Published2026-03-16
Last modified2026-04-27

Underlying weaknesses· 1

CWE-306

References

  1. https://www.zerodayinitiative.com/advisories/ZDI-26-156/

1

TypeTargetConfidenceTier
WeaknessMissing Authentication for Critical Functioncwe-3060%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.