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In h2oai/h2o-3 version 3.46.0, the `/99/Models/{name}/json` endpoint allows for arbitrary file overwrite on the target server. The vulnerability arises from the `exportModelDetails` function in `ModelsHandler.java`, where the user-controllable `mexport.dir` parameter is used to specify the file path for writing model details. This can lead to overwriting files at arbitrary locations on the host system.
Reserved 2024-09-09 | Published 2025-03-20 | Updated 2025-03-20 | Assigner @huntr_aiCWE-73 External Control of File Name or Path
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