A vulnerability in the h2oai/h2o-3 REST API versions 3.46.0.4 allows unauthenticated remote attackers to execute arbitrary code via deserialization of untrusted data. The vulnerability exists in the endpoints POST /99/ImportSQLTable and POST /3/SaveToHiveTable, where user-controlled JDBC URLs are passed to DriverManager.getConnection, leading to deserialization if a MySQL or PostgreSQL driver is available in the classpath. This issue is fixed in version 3.47.0.
| Package (Ecosystem) | Introduced | Fixed | Limit |
|---|---|---|---|
| h2o(PyPI) | 0 | 3.46.0.6 | N/A |
| ai.h2o:h2o-core(Maven) | 0 | 3.46.0.6 | N/A |
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