H2O-3GHSA-h7xg-cmpp-48hf
H2O Deserialization of Untrusted Data Vulnerability
Critical9.8CVE-2024-10553 · Published Mar 20, 2025 · updated Jun 29, 2026
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| h2o PyPI | < 3.46.0.6 | 3.46.0.6 |
Details and references
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.
- CVSS 3.0
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Severity from
- GitHub (reviewed advisory)
- Weakness
- CWE-502
- Also known as
- CVE-2024-10553, PYSEC-2026-351
More H2O-3 advisories
All H2O-3| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Mar 202025 | H2O Vulnerable to Denial of Service (DoS) via `/3/ParseSetup` Endpoint CVE-2024-10550High7.5no fix yet | High7.5 | No fix yet |
| Mar 202025 | H2O Vulnerable to Denial of Service (DoS) and File Write CVE-2024-10572High7.5no fix yet | High7.5 | No fix yet |
| Mar 202025 | H2O Vulnerable to Denial of Service (DoS) via `/3/Parse` Endpoint CVE-2024-10549High7.5no fix yet | High7.5 | No fix yet |
| Mar 202025 | H2O Vulnerable to Arbitrary File Overwrite via File Export CVE-2024-6854High7.1no fix yet | High7.1 | No fix yet |
| Mar 202025 | H2O Vulnerable to Execution of Arbitrary Files CVE-2024-6863Medium6.5no fix yet | Medium6.5 | No fix yet |
| Mar 202025 | H2O Vulnerable to Denial of Service (DoS) via Large GZIP Parsing CVE-2024-7765High7.5no fix yet | High7.5 | No fix yet |