---
id: CVE-2026-8750
title: A vulnerability was identified in h2oai h2o-3 up to 7402
summary: >-
  A vulnerability was identified in h2oai h2o-3 up to 7402. Affected by this
  issue is the function importFiles of the file
  h2o-core/src/main/java/water/persist/PersistNFS.java of the component
  ImportFile API. Such manipulation leads to inf…
severity: medium
cvss: 5.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N'
cwe:
  - CWE-200
  - CWE-284
vendor: h2o
product: h2o
affected:
  - h2o <= 7402
published: '2026-05-17'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T20:10:00.190'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-8750'
references:
  - url: 'https://vuldb.com/submit/810105'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/364377'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/364377/cti'
    label: cna@vuldb.com
  - url: 'https://vulnplus-note.wetolink.com/share/wWjmsfKHRJi3'
    label: cna@vuldb.com
tags:
  - nvd
epss: 0.00675
epssPercentile: 0.51098
ingestedAt: '2026-10-14T20:53:12.291Z'
---

## Overview

A vulnerability was identified in h2oai h2o-3 up to 7402. Affected by this issue is the function importFiles of the file h2o-core/src/main/java/water/persist/PersistNFS.java of the component ImportFile API. Such manipulation leads to information disclosure. The attack can be executed remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

## Affected

- `h2o <= 7402`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.