CVE-2026-49049: Ollyo HELIX3

High severity, CVSS 7.5. EPSS: 1% chance of exploitation in the next 30 days.

The Helix3 plugin for Joomla exposes an ajax handler task, that allows unauthenticated attackers to delete arbitrary files, write arbitrary JSON files and update template parameters.

Affected products

• Ollyo HELIX3: from 1.0, up to and including 3.1.1

Published 2026-06-29. Last modified 2026-06-30.