The high security vulnerability referred to as Log4Shell and its impact on Tango has been documented in this issue Log4Shell or Apache's Log4j (CVE-2021-44228) vulnerability and Tango.

Please read it first if you want to know more about how Tango is affected by Log4Shell. If you still have questions about Log4Shell and Tango then please post them here so we can reply to them and improve the issue.

General questions about security issue or vulnerabilities can be posted here too.

Andy