CVE-2026-90488: Xuxueli Xxl-Job

Medium severity, CVSS 6.3. EPSS: 0.4% chance of exploitation in the next 30 days.

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: version 3.4.0 only; version 3.4.1 only; version 3.4.2 only

Published 2026-09-13. Last modified 2026-09-15.