CVE-2026-33615: Mbconnectline MBCONNECT24

Critical severity, CVSS 9.1. EPSS: 0.6% chance of exploitation in the next 30 days.

An unauthenticated remote attacker can exploit an unauthenticated SQL Injection vulnerability in the setinfo endpoint due to improper neutralization of special elements in a SQL UPDATE command. This can result in a total loss of integrity and availability.

Affected products

• Mbconnectline MBCONNECT24: up to and including 2.19.4
• Mbconnectline MYMBCONNECT24: up to and including 2.19.4

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