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CVE-2024-10553 — Vulnerability in ai.h2o:h2o-core — CVE Details

CRITICAL

H2O Deserialization of Untrusted Data Vulnerability

Published March 20, 2025Updated June 29, 2026Source: osv

Summary

A vulnerability in the h2oai/h2o-3 REST API versions 3.46.0.4 allows unauthenticated remote attackers to execute arbitrary code via deserialization of untrusted data. The vulnerability exists in the endpoints POST /99/ImportSQLTable and POST /3/SaveToHiveTable, where user-controlled JDBC URLs are passed to DriverManager.getConnection, leading to deserialization if a MySQL or PostgreSQL driver is available in the classpath. This issue is fixed in version 3.46.0.6.

Advisory Timeline

  • First published March 20, 2025 (571 days ago).
  • Last revised June 29, 2026 — 466 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

Maven
Update ai.h2o:h2o-core to 3.46.0.6 or later
<!-- Update pom.xml dependency version to 3.46.0.6 for ai.h2o:h2o-core -->
pip
Update h2o to 3.46.0.6 or later
pip install "h2o>=3.46.0.6"

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (2)

Affects 2 ecosystems: maven (1), pypi (1).

PackageEcosystemAffectedFixed In
ai.h2o:h2o-core
maven
0.1.10, 0.1.11, 0.1.12, 0.1.13 (+247 more)3.46.0.6
h2o
pypi
3.10.0.10, 3.10.0.3, 3.10.0.6, 3.10.0.7 (+112 more)3.46.0.6

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

  • CWE-502
    Deserialization of Untrusted DataMITRE

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 9.8 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

References

Frequently Asked Questions

What is CVE-2024-10553?
H2O Deserialization of Untrusted Data Vulnerability This vulnerability has been assigned a severity rating of CRITICAL (CVSS score: 9.8/10).
How do I check if my project is affected by CVE-2024-10553?
CVE-2024-10553 affects ai.h2o:h2o-core and h2o. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2024-10553 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
9.8

Exploitation is straightforward and causes maximum impact. Patch immediately.

Also Known As

GHSA-h7xg-cmpp-48hf
PYSEC-2026-351

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