MEDIUMVulnerability
Global

Java Spring Boot "heapdump" scans, (Mon, Jul 27th)

·Source: SANS ISC

Updated:

Executive Summary

Spring Boot exposes the endpoint "/actuator/heapdump" to collect debug information. By default, the endpoint will return a file heapdump.hprof, which includes a binary heapdump that can be used to analyze the current state of the application. Non-Java readers may be familiar with a similar concept, core dumps, which are produced by binaries to expose a memory image at the time the software crashes

Analysis

Spring Boot exposes the endpoint "/actuator/heapdump" to collect debug information. By default, the endpoint will return a file heapdump.hprof, which includes a binary heapdump that can be used to analyze the current state of the application. Non-Java readers may be familiar with a similar concept, core dumps, which are produced by binaries to expose a memory image at the time the software crashes. "heapdumps" are the Java analog to "core-dumps". The heapdump often includes secrets used by the application to connect to backend systems. API keys, database passwords, and other sensitive data may be exposed in the heapdump.
Source Attribution

Originally published by SANS ISC on Jul 27, 2026.

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