A vulnerability was determined in Xuxueli xxl-job up to 3.4.2. (CVE-2026-90488)
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.
AI Analysis
Technical Summary
CVE-2026-90488 is a code injection vulnerability in Xuxueli xxl-job versions up to 3.4.2. It affects the GroovyClassLoader.parseClass function in the file xxl-job-core/src/main/java/com/xxl/job/core/glue/GlueFactory.java. The vulnerability allows remote attackers with low privileges to inject code remotely without requiring user interaction. The exploit has been publicly disclosed, and the vendor was contacted but did not respond or provide a patch. No official remediation or patch is currently available.
Potential Impact
The vulnerability enables remote code injection, potentially allowing attackers to execute arbitrary code with the privileges of the affected application. The CVSS score of 6.3 indicates a medium severity impact with confidentiality, integrity, and availability impacts rated as low to medium. Exploitation requires low privileges but no user interaction.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since the vendor has not responded or provided a fix, users should consider mitigating exposure by restricting access to the affected service and monitoring for suspicious activity related to GroovyClassLoader usage.
A vulnerability was determined in Xuxueli xxl-job up to 3.4.2. (CVE-2026-90488)
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.
CVSS v3.1
Score 6.3medium
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-90488 is a code injection vulnerability in Xuxueli xxl-job versions up to 3.4.2. It affects the GroovyClassLoader.parseClass function in the file xxl-job-core/src/main/java/com/xxl/job/core/glue/GlueFactory.java. The vulnerability allows remote attackers with low privileges to inject code remotely without requiring user interaction. The exploit has been publicly disclosed, and the vendor was contacted but did not respond or provide a patch. No official remediation or patch is currently available.
Potential Impact
The vulnerability enables remote code injection, potentially allowing attackers to execute arbitrary code with the privileges of the affected application. The CVSS score of 6.3 indicates a medium severity impact with confidentiality, integrity, and availability impacts rated as low to medium. Exploitation requires low privileges but no user interaction.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since the vendor has not responded or provided a fix, users should consider mitigating exposure by restricting access to the affected service and monitoring for suspicious activity related to GroovyClassLoader usage.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-x282-35xq-g9q7
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-90488"]
- Database Specific Severity
- LOW
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6aa741b155bf5e2cf548a781
Added to database: 09/14/2026, 00:37:05 UTC
Last enriched: 09/14/2026, 00:46:12 UTC
Last updated: 09/14/2026, 04:01:22 UTC
Views: 6
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