# CVE-2026-17459

## Summary

- **CVE ID:** CVE-2026-17459
- **Severity:** MEDIUM
- **CVSS Score:** 5.3 (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)
- **CWE:** CWE-61, CWE-59
- **Published:** Jul 26, 2026
- **Last Modified:** Jul 27, 2026

## 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.

## Affected Products

- perwendel — spark (2.9.0)
- perwendel — spark (2.9.1)
- perwendel — spark (2.9.2)
- perwendel — spark (2.9.3)
- perwendel — spark (2.9.4)

## References

- [CNA](https://vuldb.com/vuln/383321)
- [CNA](https://vuldb.com/vuln/383321/cti)
- [CNA](https://vuldb.com/cve/CVE-2026-17459)
- [CNA](https://vuldb.com/submit/862468)
- [CNA](https://github.com/perwendel/spark/issues/1296)
- [CNA](https://github.com/perwendel/spark/)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.32%
- **EPSS Percentile:** 24.6

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._