CVE-2021-30126: Lightmeter Controlcenter

Medium severity, CVSS 6.5. EPSS: 0.7% chance of exploitation in the next 30 days.

Lightmeter ControlCenter 1.1.0 through 1.5.x before 1.5.1 allows anyone who knows the URL of a publicly available Lightmeter instance to access application settings, possibly including an SMTP password and a Slack access token, via a settings HTTP query.

Affected products

• Lightmeter Controlcenter: from 1.1.0, before 1.5.1 (fixed in 1.5.1)

Published 2021-04-02. Last modified 2026-06-17.