CVE-2026-3559: high-severity vulnerability in Philips Hue Bridge
Philips Hue Bridge HomeKit Accessory Protocol Static Nonce Authentication Bypass Vulnerability
Published · Updated
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.1epss 0.4%
exploitation probability
0.4%top 69% of all CVEs
observed exploitation
nono source reports it
Philips Hue Bridge HomeKit Accessory Protocol Static Nonce 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 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. Was ZDI-CAN-28451.
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Affected products
Philips · Hue BridgeRelated CVEs — Philips Hue Bridge
In the same product, most dangerous first.
CVE-2026-3561HIGHPhilips Hue Bridge hk_hap characteristics Heap-based Buffer Overflow Remote Code Execution VulnerabilityEPSS 0.6%CVE-2026-3557HIGHPhilips Hue Bridge hap_pair_verify_handler Sub-TLV Parsing Heap-based Buffer Overflow Remote Code Execution VulnerabilityEPSS 0.6%CVE-2026-3560HIGHPhilips Hue Bridge HomeKit hk_hap_pair_storage_put Heap-based Buffer Overflow Remote Code Execution VulnerabilityEPSS 0.5%CVE-2026-3556HIGHPhilips Hue Bridge HomeKit Pair-Setup Heap-based Buffer Overflow Remote Code Execution VulnerabilityEPSS 0.5%CVE-2026-3558HIGHPhilips Hue Bridge HomeKit Accessory Protocol Transient Pairing Mode Authentication Bypass VulnerabilityEPSS 0.4%CVE-2026-3555HIGHPhilips Hue Bridge Zigbee Stack Custom Command Handler Heap-based Buffer Overflow Remote Code Execution VulnerabilityEPSS 0.4%