CVE-2020-12666: Fedoraproject Fedora

Medium severity, CVSS 6.1. EPSS: 1.4% chance of exploitation in the next 30 days.

macaron before 1.3.7 has an open redirect in the static handler, as demonstrated by the http://127.0.0.1:4000//example.com/ URL.

Affected products

• Fedoraproject Fedora: version 32 only
• Go-Macaron Macaron: before 1.3.7 (fixed in 1.3.7)

Published 2020-05-05. Last modified 2026-06-17.