CVE-2026-17459

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.

CVSS v3 4.3 MEDIUM
CVSS v2.0 4.0 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

4.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:P/I:N/A:N

Exploitability : 8.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://github.com/perwendel/spark/
https://github.com/perwendel/spark/issues/1296
https://vuldb.com/cve/CVE-2026-17459
https://vuldb.com/submit/862468
https://vuldb.com/vuln/383321
https://vuldb.com/vuln/383321/cti

Configurations

No configuration.

History

24 Oct 2026, 13:10

Type	Values Removed	Values Added
Summary		(es) Se determinó una vulnerabilidad en perwendel spark hasta la versión 2.9.4. Esta vulnerabilidad afecta la función staticFiles.externalLocation del archivo src/main/java/spark/resource/ExternalResourceHandler.jav del componente SparkJava. La ejecución de una manipulación puede conducir al seguimiento de enlaces simbólicos. Es posible lanzar el ataque de forma remota. El exploit ha sido divulgado públicamente y puede ser utilizado. Se informó al proyecto del problema con antelación a través de un informe de incidencias, pero aún no ha respondido.

Information

Published : 2026-07-26 11:16

Updated : 2026-10-24 13:10

NVD link : CVE-2026-17459

Mitre link : CVE-2026-17459

CVE.ORG link : CVE-2026-17459

JSON object : View

Products Affected

No product.

CWE

CWE-59

Improper Link Resolution Before File Access ('Link Following')

CWE-61

UNIX Symbolic Link (Symlink) Following

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