Critical severity9.8OSV Advisory· Published Sep 2, 2025· Updated Jun 17, 2026

CVE-2025-5662

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

H2oai/H2o 3OSV
Range: RELEASE-0.1.14, RELEASE-0.1.17, RELEASE-0.1.4, …
MySQL/MySQL JDBC Driverllm-create
Range: =8.0.19

Patches

Vulnerability mechanics

References

github.com/h2oai/h2o-3/commit/f714edd6b8429c7a7211b779b6ec108a95b7382dnvd
huntr.com/bounties/057a743b-b2ec-4312-8262-ce0ff8bc161cnvd

News mentions

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cvss	0.637
epss	0.001
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000