H2O local file inclusion vulnerability
A Local File Inclusion (LFI) vulnerability exists in the h2o-3 REST API, allowing unauthenticated remote attackers to read arbitrary files on the server with the permissions of the user running the h2o-3 instance. This issue affects the default installation and does not require user interaction. The vulnerability can be exploited by making specific GET or POST requests to the ImportFiles and ParseSetup endpoints, respectively. This issue was identified in version 3.40.0.4 of h2o-3.
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Java / Kotlin (Maven) | ai.h2o:h2o-core | <= 3.40.0.4 | no fix |
References
- CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N- Weakness (CWE)
CWE-29, CWE-862- Platform
- Java / Kotlin (Maven)
- Package
ai.h2o:h2o-core- Disclosed
- 16.11.2023
- Updated
- 11.10.2026 12:21
Sources and licenses
OSV / GitHub Advisory Database - GHSA-6mv8-95x5-xcq9 - CC BY 4.0
Vulnerability history: ai.h2o:h2o-core
All published vulnerabilities of this package (Java / Kotlin (Maven)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 15
- First → latest
- 11.2023 04.2026
- Without a fix
- 13
- Exploited in attacks
- 0
Severity breakdown
- Critical 6
- High 8
- Medium 1
Disclosures per year
- 2023: 1
- 2024: 2
- 2025: 10
- 2026: 2
-
H2O local file inclusion vulnerability this entry
Know which vulnerabilities affect your application
With the DockRay integration and software inventory enabled, DockRay checks reported component versions against known vulnerabilities and notifies you about confirmed matches. Coverage depends on the supported technology and available advisory data.