CVE-2023-6038: critical vulnerability in h2oai/h2o-3
Local File Inclusion in h2oai/h2o-3
Published · Updated
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65Vexday Risk Score
Patch now. It exploitation observed by VulnCheck and has a working public exploit.
ssvc Actcvss 9.3epss 4.3%
from disclosure to weapon
Published on NVDNov 16
VulnCheck+67d
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.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N
Affected products
h2oai · h2oai/h2o-3Related CVEs — h2oai/h2o-3
In the same product, most dangerous first.
CVE-2023-6016CRITICALH2O Remote Code Execution via POJO Model ImportEPSS 30.6%CVE-2025-6507CRITICALDeserialization of Untrusted Data in h2oai/h2o-3EPSS 17.3%CVE-2024-10553CRITICALJdbc Deserialization in h2oai/h2o-3EPSS 1.6%CVE-2025-6544CRITICALDeserialization Vulnerability in h2oai/h2o-3EPSS 1.0%CVE-2026-3960MEDIUMRemote Code Execution in h2oai/h2o-3EPSS 0.9%CVE-2023-6017HIGHH2O S3 Bucket TakeoverEPSS 0.9%