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ID

VAR-202603-0926


CVE

CVE-2026-3559


TITLE

(Pwn2Own) Philips Hue Bridge HomeKit Accessory Protocol Static Nonce Authentication Bypass Vulnerability

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sources: ZDI: ZDI-26-157

DESCRIPTION

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 SRP authentication mechanism in the HomeKit Accessory Protocol service, which listens on TCP port 8080 by default. The issue results from the use of a static nonce value. An attacker can leverage this vulnerability to bypass authentication on the system.

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sources: ZDI: ZDI-26-157

AFFECTED PRODUCTS

vendor:philipsmodel:hue bridgescope: - version: -

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sources: ZDI: ZDI-26-157

CVSS

SEVERITY

CVSSV2

CVSSV3

ZDI: CVE-2026-3559
value: HIGH

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ZDI: CVE-2026-3559
baseSeverity: HIGH
baseScore: 8.1
vectorString: AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
attackVector: ADJACENT
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: NONE
exploitabilityScore: 2.8
impactScore: 5.2
version: 3.0

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sources: ZDI: ZDI-26-157

PATCH

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

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sources: ZDI: ZDI-26-157

EXTERNAL IDS

db:ZDI_CANid:ZDI-CAN-28451

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db:NVDid:CVE-2026-3559

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db:ZDIid:ZDI-26-157

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sources: ZDI: ZDI-26-157

REFERENCES

url:https://www.philips-hue.com/en-ca/support/release-notes/bridge

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sources: ZDI: ZDI-26-157

CREDITS

Ho Xuan Ninh (@Xuanninh1412) and Hoang Hai Long (@seadragnol) from Qrious Secure (@qriousec)

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sources: ZDI: ZDI-26-157

SOURCES

db:ZDIid:ZDI-26-157

LAST UPDATE DATE

2026-03-09T23:41:42.948000+00:00


SOURCES UPDATE DATE

db:ZDIid:ZDI-26-157date:2026-03-06T00:00:00

SOURCES RELEASE DATE

db:ZDIid:ZDI-26-157date:2026-03-06T00:00:00