CVE-2016-9414: Mybb Merge System

High severity, CVSS 7.5. EPSS: 2.3% chance of exploitation in the next 30 days.

MyBB (aka MyBulletinBoard) before 1.8.7 and MyBB Merge System before 1.8.7 allow remote attackers to obtain sensitive information by leveraging missing directory listing protection in upload directories.

Affected products

• Mybb Merge System: up to and including 1.8.6
• Mybb Mybb: up to and including 1.8.6

Published 2017-01-31. Last modified 2026-06-17.