CVE-2026-17459CWE-59CWE-61

perwendel spark SparkJava ExternalResourceHandler.jav staticFiles.externalLocation symlink

Medium · published July 26, 2026

CVSS v4.0
5.3
EPSS
0%
Percentile
39.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
5.3 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
EPSS
0.00467 · 39.5th percentile
Weaknesses
CWE-59 · Improper Link Resolution Before File Access ('Link Following'); CWE-61 · UNIX Symbolic Link (Symlink) Following
Published
2026-07-26T10:15Z
EPSS history
Timeline
  • 26 JUL 10:15Z
    perwendel spark SparkJava ExternalResourceHandler.jav staticFiles.externalLocation symlink
    cvelistv5