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CVE-2026-90488— Xuxueli xxl-job GlueFactory.java GroovyClassLoader.parseClass code injection

Quick assessment

Affected
Xuxueli xxl-job
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

xuxueli XXL-JOB是中国xuxueli个人开发者开源的一个分布式任务调度平台。 xuxueli XXL-JOB 3.4.2及之前版本存在安全漏洞，该漏洞源于文件xxl-job-core/src/main/java/com/xxl/job/core/glue/GlueFactory.java中GroovyClassLoader.parseClass函数的操作导致代码注入，可能被远程利用执行任意代码。

CVSS 6.3 · Medium EPSS 0.39% · P32

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 3

VendorProduct Version RangeStatus
Xuxueli xxl-job 3.4.0 affected
3.4.1 affected
3.4.2 affected
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I. Basic Information for CVE-2026-90488

Vulnerability Information
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Vulnerability Title
Xuxueli xxl-job GlueFactory.java GroovyClassLoader.parseClass code injection
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5
Vulnerability Title
xuxueli XXL-JOB 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
xuxueli XXL-JOB是中国xuxueli个人开发者开源的一个分布式任务调度平台。 xuxueli XXL-JOB 3.4.2及之前版本存在安全漏洞，该漏洞源于文件xxl-job-core/src/main/java/com/xxl/job/core/glue/GlueFactory.java中GroovyClassLoader.parseClass函数的操作导致代码注入，可能被远程利用执行任意代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Xuxueli xxl-job 3.4.0 cpe:2.3:a:xuxueli:xxl-job:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-90488

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III. Intelligence Information for CVE-2026-90488

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Proof of Concept for CVE-2026-90488 (1)

Same Patch Batch · Xuxueli · 2026-09-12 · 3 CVEs total

CVE-2026-90487 4.3 MEDIUM Xuxueli xxl-job JobGroupController.java privileges management
CVE-2026-90489 3.5 LOW Xuxueli xxl-job insert cross site scripting

IV. Related Vulnerabilities

Same product: xxl-job
Same vendor: Xuxueli
Same weakness: CWE-94

V. Comments for CVE-2026-90488

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