CVE-2026-97400 jdmpview / DTFJ reads arbitrary local files and makes arbitrary outbound requests when opening a third-party diagnostic dump bundle (XXE in XMLIndexReader)

In Eclipse OpenJ9 versions up to 0.63, opening a supplied diagnostic dump bundle with the jdmpview tool, or equivalent DTFJ code, may cause the analyst's machine to read an arbitrary local file named inside the bundle and send its contents to an arbitrary remote host...