Back

CRITICAL

Deserialization of Untrusted Data in h2oai/h2o-3

Published Sep 1, 2025

Description

A vulnerability in the h2oai/h2o-3 repository allows attackers to exploit deserialization of untrusted data, potentially leading to arbitrary code execution and reading of system files. This issue affects the latest master branch version 3.47.0.99999. The vulnerability arises from the ability to bypass regular expression filters intended to prevent malicious parameter injection in JDBC connections. Attackers can manipulate spaces between parameters to evade detection, allowing for unauthorized file access and code execution. The vulnerability is addressed in version 3.46.0.8.

Affected products

Remediation

No remediation recorded yet.

References (3)

Change history (0)

No recorded changes yet.

Sources
CVE.org / MITRE
Status PUBLISHED
Assigner @huntr_ai
Published Sep 1, 2025
Updated Sep 2, 2025
Reserved Jun 23, 2025
CISA Vulnrichment
Updated Sep 2, 2025
NVD
Status Deferred
Modified Jun 17, 2026
Red Hat
Severity n/a
Public date n/a
ENISA EUVD
Assigner @huntr_ai
Published Sep 1, 2025
Updated Sep 2, 2025
Exploited since n/a
EUVD-2025-28743