---
title: "CVE-2023-6569: External Control of File Name or Path in h2oai/h2o-3"
url: https://erroneo.us/security/cve/CVE-2023-6569/
description: "CVE-2023-6569 (h2o (PyPI)): External Control of File Name or Path in h2oai/h2o-3"
type: vulnerability-record
section: "Security Digest"
date_published: 2023-12-14
date_modified: 2026-04-15
publisher: erroneo.us
author: erroneo.us Security Desk
cve: "CVE-2023-6569"
kev: false
cvss: 9.3
epss: 0.00721
license: All rights reserved. Quote with attribution and a link.
---

# CVE-2023-6569: External Control of File Name or Path in h2oai/h2o-3

**Signal:** Critical and remotely reachable. No known exploitation yet, but it is network-reachable without credentials. (Computed from CISA KEV, EPSS and CVSS; not an editorial verdict.)

## Should you act?

- Not in CISA KEV , but CISA’s SSVC assessment records a public proof-of-concept, so attack code exists.
- EPSS 0.7% , percentile 53: FIRST’s model estimates a 0.7% chance of exploitation activity in the next 30 days, higher than 53% of all scored CVEs (moderate). EPSS is a probability, not a verdict.
- Remotely reachable with no login and no user interaction. If the vulnerable service is exposed to the internet, prioritize it.
- Only applies if your dependency tree includes h2o (PyPI) < 3.46.0.1, fixed in 3.46.0.1 . Check your lockfile, including transitive dependencies.

## What it is

External Control of File Name or Path in h2oai/h2o-3

## Affected packages

- PyPI `h2o` < 3.46.0.1 → fixed: 3.46.0.1

## Affected products (CVE record)

- h2oai h2oai/h2o-3: unspecified <= latest

## Severity

- @huntr_ai CVSS 3.0: 9.3 `CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:H`
- GitHub CVSS 3.1: 9.3 `CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:H`

## Exploitation

- CISA KEV: not listed (no confirmed in-the-wild exploitation known to CISA).
- CISA SSVC assessment: exploitation poc , automatable yes , technical impact partial .
- FIRST EPSS (model of 2026-10-21): 0.72% probability of exploitation activity in the next 30 days; percentile 53.

## Sources

- [GitHub Advisory GHSA-gqrq-j6pm-98c2](https://github.com/advisories/GHSA-gqrq-j6pm-98c2)
- [CVE.org record CVE-2023-6569](https://www.cve.org/CVERecord?id=CVE-2023-6569)
- [NVD entry CVE-2023-6569](https://nvd.nist.gov/vuln/detail/CVE-2023-6569)
- [huntr.com](https://huntr.com/bounties/a5d003dc-c23e-4c98-8dcf-35ba9252fa3c)
- [github.com](https://github.com/h2oai/h2o-3/commit/e8884f5187eb81311877c5f0dd4d6d9c70f33d78)

---
Source page: https://erroneo.us/security/cve/CVE-2023-6569/ · Security Digest: https://erroneo.us/security/ · More: https://erroneo.us/llms.txt