CVE-2026-17459

Medium

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.

SeverityMedium
CVSS4.3
Exploit probability—
ProductPerwendel Spark
PublishedJul 26, 2026
First seenJul 26, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
perwendel spark2.9.0, 2.9.1, 2.9.2, 2.9.3, 2.9.4—

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