PT-2025-35547 · Oracle+1 · Mysql Jdbc Driver+2

Published 2025-09-02 · Updated 2025-09-08 · CVE-2025-5662

Positive Technologies (AI Summary)

CVSS v2.0

10

Critical

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions H2O-3 versions prior to 3.46.0.8

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

Recommendations Upgrade to H2O-3 version 3.46.0.8 or later.

Fix

RCE

Deserialization of Untrusted Data

Weakness Enumeration

CWE-502

Related Identifiers

BDU:2026-06554

CVE-2025-5662

Affected Products

H2O-3

Jdk

Mysql Jdbc Driver

References · 9

• https://osv.dev/vulnerability/CVE-2025-5662 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-5662 · Security Note
• https://bdu.fstec.ru/vul/2026-06554 · Security Note
• https://github.com/h2oai/h2o-3/commit/f714edd6b8429c7a7211b779b6ec108a95b7382d · Note
• https://twitter.com/ZeroPathLabs/status/1962866820211167601 · Twitter Post
• https://t.me/CVEtracker/31508 · Telegram Post
• https://huntr.com/bounties/057a743b-b2ec-4312-8262-ce0ff8bc161c · Note
• https://twitter.com/CveFindCom/status/1965010296914715035 · Twitter Post
• https://twitter.com/CVEnew/status/1962840002989105270 · Twitter Post