The Docker image `plantuml/plantuml-server:jetty` contains the following libraries affected by vulnerability CVE-2026-111497 (Node2Shell/HTTP2Shell). Is plantuml-server itself affected by this vulnerability?
* Java library brotli4j:1.23.0 – Fixed in 1.24.0
* shared library libbrotli1:1.1.0-2build2 – Fixed in 1.1.0-2ubuntu0.1