The Goobi viewer is a web application that allows digitised material to be displayed in a web browser. From version 24.03 to before version 26.05, the DownloadTaskEndpoint WebSocket endpoint (/tasks/download/monitor.socket) in goobi-viewer-core accepts download requests from unauthenticated users. This issue has been patched in version 26.05.
https://github.com/intranda/goobi-viewer-core/security/advisories/GHSA-79jg-3m2m-jgc8
https://github.com/intranda/goobi-viewer-core/releases/tag/v26.05
https://github.com/intranda/goobi-viewer-core/commit/b8943ee963e2aa1131da2212eaf85c5a2d90214f
https://github.com/intranda/goobi-viewer-core/commit/5281245708447ae3419cb42492fbb8af731a2ce5