Improper Authentication in Hue Bridge V2 - CVE-2026-3559
Published: March 9, 2026
Vulnerability identifier: #VU123635
CSH Severity: Medium
CVSS v4: 8.6 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-3559
CWE-ID: CWE-287
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to an error when processing authentication requests within the configuration of the SRP authentication mechanism in the HomeKit Accessory Protocol service. A remote attacker on the local network can bypass authentication process and gain unauthorized access to the application.
Affected software
Hue Bridge V2
How to mitigate CVE-2026-3559
Install updates from vendor's website.
Hue Bridge V2 - update to 1975170000