---
title: "CVE-2026-59179: OpenHop @openhop/server - Path Traversal"
description: "OpenHop @openhop/server < 0.3.7 contains a path traversal vulnerability caused by lack of identifier allow-list in flow route parameters, letting attackers read or delete YAML files outside the flow directory, exploit requires network access to unauthenticated API endpoints."
url: https://panop.io/threat-heartbeat/CVE-2026-59179/
---

# CVE-2026-59179 OpenHop @openhop/server - Path Traversal

OpenHop @openhop/server < 0.3.7 contains a path traversal vulnerability caused by lack of identifier allow-list in flow route parameters, letting attackers read or delete YAML files outside the flow directory, exploit requires network access to unauthenticated API endpoints.

CVSS base score 8.3 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-59179)

## Details

Type

Path Traversal

Impact

Information Disclosure, File System Write

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:H

Published

28 October 2026

Updated

29 October 2026

Weakness

[CWE-22](https://cwe.mitre.org/data/definitions/22.html)

## Vendor fix

Update to version 0.3.7 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-59179](https://nvd.nist.gov/vuln/detail/CVE-2026-59179)
- [https://github.com/naorsabag/openhop/commit/c8190fbefa3a50e7b0c16c001d2e05b0e920cfb4](https://github.com/naorsabag/openhop/commit/c8190fbefa3a50e7b0c16c001d2e05b0e920cfb4)
- [https://github.com/naorsabag/openhop/pull/190](https://github.com/naorsabag/openhop/pull/190)
- [https://github.com/naorsabag/openhop/releases/tag/v0.3.7](https://github.com/naorsabag/openhop/releases/tag/v0.3.7)
- [https://github.com/naorsabag/openhop/security/advisories/GHSA-g72f-jw3w-mgh7](https://github.com/naorsabag/openhop/security/advisories/GHSA-g72f-jw3w-mgh7)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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