What’s Vulnerable › Vulnerabilities

CVE-2026-73669: Signify Philips Hue Bridge Pro MQTT broker missing authentication

• Severity: high (CVSS 7.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-13 · updated 2026-08-26
• Weakness: CWE-306

Description

The Signify Philips Hue Bridge Pro firmware embeds a Mosquitto MQTT broker service that listens on all network interfaces without authentication. An unauthenticated attacker with network access to the MQTT service on a vulnerable system can read data and control connected lights. Fixed in 1.77.2071318010.

Affected products

• Signify Philips Hue Bridge Pro: before 1.77.2071318010 — fixed in 1.77.2071318010

How to fix

Upgrade to a fixed version: Signify Philips Hue Bridge Pro 1.77.2071318010. Check the vendor advisory for mitigations.

References

• https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-225-01.json
• https://www.cve.org/CVERecord?id=CVE-2026-73669
• https://www.philips-hue.com/en-us/support/release-notes/bridge-pro
• https://www.philips-hue.com/en-us/support/security-advisory

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