Vulnerability · Published Mar 20, 2025 · Assigned by @huntr_ai
CVE-2024-6854Arbitrary File Overwrite in h2oai/h2o-3
High 7.1
In plain English
A high-severity security flaw in h2oai/h2o-3 from h2oai. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 56% of all known vulnerabilities).
Official description
In h2oai/h2o-3 version 3.46.0, the endpoint for exporting models does not restrict the export location, allowing an attacker to export a model to any file in the server's file structure, thereby overwriting it. This vulnerability can be exploited to overwrite any file on the target server with a trained model file, although the content of the overwrite is not controllable by the attacker.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Maven | ai.h2o:h2o-core | no fix listed | GHSA-47f6-5p7h-5f3h |
| PyPI | h2o | no fix listed | GHSA-47f6-5p7h-5f3h |
| PyPI | h2o | no fix listed | PYSEC-2026-1436 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| h2oai | h2oai/h2o-3 | unspecified – through latest |
Weakness: CWE-36 · Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H