SEPTEMBER 19, 2026
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Case File

CVE-2026-17459

MEDIUM · CVSS 4.3 EPSS 0.32% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-07-26 · Last synced 2026-08-25

CyberRota Analysis

AI-Generated

The vulnerability in SparkJava affects the staticFiles.externalLocation function, allowing remote attackers to exploit symlink following. This could lead to unauthorized access to sensitive files on the server. Organizations using SparkJava versions up to 2.9.4 should prioritize patching this issue to mitigate potential data exposure risks.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-17459
Severity
MEDIUM
CVSS
4.3
EPSS
0.32%
Java

Original NVD Description

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.