CVE-2025-5552: 1000mz Chestnutcms

High severity, CVSS 8.8. EPSS: 0.5% chance of exploitation in the next 30 days.

A vulnerability was found in ChestnutCMS up to 15.1. It has been declared as critical. This vulnerability affects unknown code of the file /dev-api/groovy/exec of the component API Endpoint. The manipulation leads to deserialization. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

Affected products

• 1000mz Chestnutcms: affected versions not specified

Published 2025-06-04. Last modified 2026-06-17.