A vulnerability was found in Apache Log4j JSON Template Layout up to 2.25.3/3.0.0-beta3. It has been declared as problematic. This impacts an unknown function of the component JsonTemplateLayout. The manipulation results in escaping of output.
This vulnerability was named CVE-2026-34481. The attack may be performed from remote. There is no available exploit.
It is recommended to upgrade the affected component.
