Zipkin through 3.5.1 has a /heapdump endpoint (associated with the use of Spring Boot Actuator), a similar issue to CVE-2025-48927.
https://github.com/openzipkin/zipkin/pull/3804
https://github.com/openzipkin/zipkin/commit/3c7605dfdfab2dd341cf0ea121a56cefcd580d9e