CVE-2026-6601: Lagom Whmcs Template

Medium severity, CVSS 4.3. EPSS: 0.5% chance of exploitation in the next 30 days.

A vulnerability has been found in Lagom WHMCS Template up to 2.4.2. This impacts an unknown function of the component Datatables. The manipulation leads to resource consumption. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

• Lagom Whmcs Template: version 2.4.0 only; version 2.4.1 only; version 2.4.2 only

Published 2026-04-20. Last modified 2026-06-17.