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Critical · 9.8 CVE-2025-5662 EUVD-2025-26414

Deserialization Vulnerability in h2oai/h2o-3

Published Sep 2, 2025 · Updated Sep 2, 2025 · Assigned by @huntr_ai

Description

A deserialization vulnerability exists in the H2O-3 REST API (POST /99/ImportSQLTable) that affects all versions up to 3.46.0.7. This vulnerability allows remote code execution (RCE) due to improper validation of JDBC connection parameters when using a Key-Value format. The vulnerability is present in the MySQL JDBC Driver version 8.0.19 and JDK version 8u112. The issue is resolved in version 3.46.0.8.

Affected products

VendorProductAffectedFixed
h2oai h2oai/h2o-3 unspecified – < 3.46.0.8 3.46.0.8

References