# CVE-2026-90488

## Summary

- **CVE ID:** CVE-2026-90488
- **Severity:** MEDIUM
- **CVSS Score:** 6.5 (CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P)
- **CWE:** CWE-94, CWE-74
- **Published:** Sep 12, 2026
- **Last Modified:** Sep 15, 2026

## Description

A vulnerability was determined in Xuxueli xxl-job up to 3.4.2. This affects the function GroovyClassLoader.parseClass of the file xxl-job-core/src/main/java/com/xxl/job/core/glue/GlueFactory.java. This manipulation causes code injection. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

## Affected Products

- Xuxueli — xxl-job (3.4.0)
- Xuxueli — xxl-job (3.4.1)
- Xuxueli — xxl-job (3.4.2)

## References

- [CNA](https://vuldb.com/vuln/403076)
- [CNA](https://vuldb.com/vuln/403076/cti)
- [CNA](https://vuldb.com/cve/CVE-2026-90488)
- [CNA](https://vuldb.com/submit/888470)
- [CNA](https://github.com/zhaizejiang/xxl-job-vuln-poc/blob/main/xxl-job%20v3.4.2%20Remote%20Code%20Execution%20via%20Groovy%20Code%20Execution.md)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.23%
- **EPSS Percentile:** 13.8

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-19._