CVE-2025-66167: Merkulove Lottier

Medium severity, CVSS 5.4. EPSS: 0.2% chance of exploitation in the next 30 days.

Missing Authorization vulnerability in merkulove Lottier lottier-gutenberg allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Lottier: from n/a through <= 1.1.1.

Affected products

• Merkulove Lottier: up to and including 1.1.1

Published 2025-12-16. Last modified 2026-06-17.