CVE-2025-5662

critical · 9.8

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.

9.8

CVSS

0.7%

EPSS (exploit prob.)

52nd

EPSS percentile

2025-09-02

Published

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses

CWE-502

References

https://github.com/h2oai/h2o-3/commit/f714edd6b8429c7a7211b779b6ec108a95b7382d
https://huntr.com/bounties/057a743b-b2ec-4312-8262-ce0ff8bc161c

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2025-5662