H2O.ai H2O through 3.46.0.4 allows attackers to arbitrarily set the JDBC URL, leading to…
Priority HIGH 80CWE-502Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub. Impact type from CWE-502.
Summary
H2O.ai H2O through 3.46.0.4 allows attackers to arbitrarily set the JDBC URL, leading to deserialization attacks, file reads, and command execution. Exploitation can occur when an attacker has access to post to the ImportSQLTable URI with a JSON document containing a connection_url property with any typical JDBC Connection URL attack payload such as one that uses queryInterceptors.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00906 60th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | ai.h2o:h2o-core (Maven) | up to 3.46.0.7 | — | No fix listed | GHSA-hrmc-jmp7-mpm2 |
| — | h2o (PyPI) | up to 3.46.0.7 | — | No fix listed | GHSA-hrmc-jmp7-mpm2 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- ai.h2o:h2o-core (Maven) Vendor— Affected up to 3.46.0.7 Fixed in — No fix listed GHSA-hrmc-jmp7-mpm2
- h2o (PyPI) Vendor— Affected up to 3.46.0.7 Fixed in — No fix listed GHSA-hrmc-jmp7-mpm2
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2024-45758
- 2026-10-03 Alias added: GHSA-hrmc-jmp7-mpm2
References
Advisory 2
Other 7
- https://github.com/h2oai/h2o-3/issues/16425
- https://github.com/h2oai/h2o-3/issues/16622
- https://github.com/h2oai/h2o-3/pull/16624
- https://github.com/h2oai/h2o-3/commit/f714edd6b8429c7a7211b779b6ec108a95b7382d
- https://github.com/h2oai/h2o-3
- https://github.com/pypa/advisory-database/tree/main/vulns/h2o/PYSEC-2026-352.yaml
- https://pypi.org/project/h2o
More h2oai H2o vulnerabilities
- TI-2025-05944 Deserialization Vulnerability in h2oai/h2o-3 CVSS 3.0CRITICAL 9.8
- TI-2024-09776 Jdbc Deserialization in h2oai/h2o-3 CVSS 3.0CRITICAL 9.8
- TI-2026-03424 Remote Code Execution in h2oai/h2o-3 CVSS 3.1CRITICAL 9.8
- TI-2024-07992 Arbitrary File Overwrite in h2oai/h2o-3 CVSS 3.0HIGH 8.2
- TI-2023-06020 External Control of File Name or Path in h2oai/h2o-3 CVSS 3.1HIGH 8.2
- TI-2024-09794 Denial of Service and Arbitrary File Write in h2oai/h2o-3 CVSS 3.0HIGH 7.5
Sources
- CVE-2024-45758 · CVE Program
- CVE-2024-45758 · NVD
- FIRST EPSS
- GHSA-hrmc-jmp7-mpm2 · GitHub Advisory Database · CC BY 4.0
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