Description
In h2oai/h2o-3 version 3.46.0.1, the `run_tool` command exposes classes in the `water.tools` package through the `ast` parser. This includes the `XGBoostLibExtractTool` class, which can be exploited to shut down the server and write large files to arbitrary directories, leading to a denial of service.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| h2oai | h2oai/h2o-3 | unspecified – ≤ latest | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Maven | ai.h2o:h2o-ext-xgboost | >= 3.34.0.1, <= 3.46.0.1 | — | GHSA-wjpv-64v2-2qpq |
| PyPI | h2o | >= 3.34.0.1, <= 3.46.0.1 | — | PYSEC-2026-1444 |