CVE-2026-17459

MEDIUM CVSS 4.0: 2.1 EPSS 0.32%
Updated Jul 27, 2026
Perwendel
Parameter Value
CVSS 2.1 (MEDIUM)
Type CWE-61 (UNIX Symlink Following), CWE-59 (Improper Link Resolution)
Vendor Perwendel
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
Low
Partial data leak
Integrity
None
No data modification
Availability
None
No disruption

CVSS Vector v4.0

Vulnerable Products

perwendel:spark