CVE-2024-5986
Remote Arbitrary File Write with Arbitrary Data in h2oai/h2o-3
- State
- Published
- Severity
- 9.1 Critical
- Published
- Feb 2, 2026
- Updated
- Feb 2, 2026
- Reserved
- Jun 13, 2024
Description
A vulnerability in h2oai/h2o-3 version 3.46.0.1 allows remote attackers to write arbitrary data to any file on the server. This is achieved by exploiting the `/3/Parse` endpoint to inject attacker-controlled data as the header of an empty file, which is then exported using the `/3/Frames/framename/export` endpoint. The impact of this vulnerability includes the potential for remote code execution and complete access to the system running h2o-3, as attackers can overwrite critical files such as private SSH keys or script files.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.0 | 9.1 Critical | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H | @huntr_ai |
Weaknesses
- CWE-73 External Control of File Name or Path
Affected Products
| Product | Versions |
|---|---|
h2oai/h2o-3h2oai |
|
References
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