---
id: CVE-2026-17459
title: A vulnerability was determined in perwendel spark up to 2.9.4
summary: >-
  A vulnerability was determined in perwendel spark up to 2.9.4. This
  vulnerability affects the function staticFiles.externalLocation of the file
  src/main/java/spark/resource/ExternalResourceHandler.jav of the component
  SparkJava. Executin…
severity: medium
cvss: 4.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N'
cwe:
  - CWE-59
  - CWE-61
published: '2026-07-26'
updated: '2026-07-26'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-17459'
references:
  - url: 'https://github.com/perwendel/spark/'
    label: cna@vuldb.com
  - url: 'https://github.com/perwendel/spark/issues/1296'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/cve/CVE-2026-17459'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/862468'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/383321'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/383321/cti'
    label: cna@vuldb.com
tags:
  - nvd
ingestedAt: '2026-07-26T12:12:06.077Z'
epss: 0.00467
epssPercentile: 0.37737
---

## Overview

A vulnerability was determined in perwendel spark up to 2.9.4. This vulnerability affects the function staticFiles.externalLocation of the file src/main/java/spark/resource/ExternalResourceHandler.jav of the component SparkJava. Executing a manipulation can lead to symlink following. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.

## Remediation

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